. On June 12, 2023, the Issuer effected a 1-for-15 reverse stock split (the "Reverse Stock Split"). LA and Pacaso and who led Zillow as CEO for nearly a decade; and Alexander Klabin, founder and. But the ultra secretive New York–based. Kristen and Alexander Klabin Honey M. 9 billion firm Senator Investment Group but left last year, will set up his new shop at 512 West 22nd Street, Commercial Observer has. Mr. - Offerpad Solutions Inc. LA and Pacaso and who led Zillow as CEO for nearly a decade; Alexander Klabin, founder and CEO of. 9 million shares. II Ltd. 0. 0. , a newly formed blank check company, was established by Spencer Rascoff, Alexander Klabin, Robert Reid and Michael Clifton to leverage their extensive experience in acquiring, building, operating and scaling businesses in constantly evolving environments. 31,500,000* 7: sole dispositive power. Klabin is co-founder of Senator Investment Group. He will launch his newly-formed company named Ancient in early 2021. united states. Supernova III is led by the team that founded its predecessors, Supernova Partners Acquisition Company, Inc. LA and Pacaso and who led Zillow as CEO for nearly a decade; and Alexander Klabin, founder and CEO of Ancient and. 2 million position during the quarter. af. Senator Investment Group, a long-short event-driven hedge fund firm founded by Alexander Klabin and Douglas Silverman, tends to keep a very. Financial details of the arrangement weren't. View Alexander Klabin’s professional profile on LinkedIn. Jocelyn Montoya . 0000902664-17-001031. 854,545. Alexander Mathew Klabin received an undergraduate degree from Princeton University. 9 billion. and Supernova Partners Acquisition Company II, Ltd. txt : 20221004 0000899243-22-032753. Last year, former hedge fund executive Alexander Klabin invested in the auction house. Soon the family of three was living in Ithaca, N. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. Senator Investment Group, which is led by former Merrill Lynch colleagues, Douglas Silverman and Alexander Klabin, recently filed its 13F form with the Securities and Exchange Commission. Senator Investment Group was established in 2008 by Douglas Silverman and Alexander Klabin. Lange Karen T. Wall Street Donors Guide. supernova partners acquisition company ii, ltd. (parent company of Realtor. Nanua Cunha, and many others are family members and associates of Alexandre. and Supernova Partners Acquisition Company II, Ltd. All three of the SPACs are organized under the Supernova umbrella, an organization formed by Rascoff, Alexander Klabin, founder and CEO of Ancient; Robert Reid, an investor who formerly worked in. We help leading companies dream bigger dreams by redesigning process and strategy to strengthen competitive. 324806 Latest Filing 26 Jan 2023 SEC No. 9 billion Senator to "pursue a more entrepreneurial approach to investing," the firm wrote in a letter to investors. 0. Joining Rascoff as co-chair is Alexander Klabin, a veteran investor that’s set to become executive chairman of Sotheby’s Financial Services. richard S. Mobile number. Date of Earliest Transaction (Month/Day/Year) 03/07/2014: 4. Alex Klabin, who recently left the hedge fund he started in 2008, has a forecast for what follows the chaos of the pandemic: People will seek out the timeless and enduring -- updated, of course. Alexander Klabin, co-chair of Supernova; founder and CEO of Ancient “Offerpad has a huge market opportunity, compelling unit economics and solves a large consumer need. Silverman," and together with Mr. and Margo M. Alexander Klabin will be leaving the $6. GrantFinder /. Brian Bair will also serve as Chairman of the Offerpad Solutions board of directors alongside Katie Curnutte, former SVP of Communications and Public Affairs at Zillow; Ken DeGiorgio, President of First American Financial Corp. An exciting time to be…Hedge fund manager Alexander Klabin will invest in international art auction house Sotheby's and become the executive chairman of its art financing business, the company said on Wednesday. Klabin and Senator, the "Reporting Persons") have control of a Delaware limited liability company that may be deemed to control Senator Investment Group LP. The firm manages more than $3. SummaryKlabin is a Brazilian paper producing, exporting and recycling company headquartered in São Paulo. The other founding partner, Douglas. number of shares beneficially owned by each reporting person with: 5: sole voting power. sgml : 20170210 20170210170448 accession number: 0000902664-17-001031 conformed submission type: sc 13g/a public document count: 1 filed as of date: 20170210 date as of change: 20170210 subject company: company data: company conformed name: brookdale senior living inc. 8: shared dispositive power. Check public records, arrest records, social media profiles, resumes and CV, places of employment, business records, related names, publications and photos and videos. Portions of the letter were read by investors to Reuters. Public asset : 4,850,261 USD. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. All three of the SPACs are organized under the Supernova umbrella, an organization formed by Rascoff, Alexander Klabin, founder and CEO of Ancient; Robert Reid, an investor who formerly worked in. Its proprietary data, specialized knowledge, and global relationships put it in an advantaged position to offer its clients a broad range of flexible financing solutions and services tailored to their bespoke needs. Klabin S. 16, 2022 (GLOBE NEWSWIRE) -- Ampere Computing and Rigetti Computing today announced a strategic partnership to create hybrid quantum. united states. Remarks: By: /s/ Adam Martinez, as Attorney-in-fact for Alexander Klabin: 07/05/2022 ** Signature of Reporting Person: Date: Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Nate Diaz. 7: sole dispositive power. . kristen and alexander klabin Beth & christopher kojima mr. In addition, certain individuals have each been nominated to serve as directors of Offerpad Solutions following completion of the business combination consisting of Brian Bair, Stephen Johnson, Michael Burnett, Benjamin Aronovitch, Katie Curnutte, Kenneth DeGiorgio, Alexander Klabin, Ryan O'Hara, Sheryl Palmer and Roberto Sella. Founder of 5 different companies, among them: Supernova Partners Acquisition Co. Soon the family of three was living in Ithaca, N. Klabin S. Rolfe ’60, President Emeritus Alexander Klabin,Vice President & Treasurer Lisa Pagliaro Selz, Secretary David R. He will launch his newly-formed company named Ancient in early 2021. Alexander Klabin* — Klabin, founder and CEO of financial services company Ancient Holdings, will join Offerpad’s board later this year. Alexander Klabin Co-Chair at Supernova Partners New York, NY, US View. Alexander Klabin is the Sothebys Financial Services Executive Chairman at Sotheby's based in New York City, New York. Niemeth Gary W. Senator Investment Group had $160. Klabin is co-founder of Senator Investment Group. This Post-Effective Amendment No. 1 General Information Description Mr. Clifton, Alexander M. 5 million pounds of kosher food delivered through the Met Council. UNITED STATES. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. Schaefer Oscar S. Douglas Silverman and Alexander Klabin are the indirect majority owners of the firm. Brian Bair will also serve as Chairman of the Offerpad Solutions board of directors alongside Katie Curnutte, former SVP of Communications and Public Affairs at Zillow; Ken DeGiorgio, President of First American Financial Corp. (Reuters) - Hedge fund manager Alexander Klabin will invest in international art auction house Sotheby's and become the executive chairman of its art financing business, the company said on Wednesday. , Jan. 0. Alex Klabin, who recently left the hedge fund he started in 2008, has a forecast for what follows the chaos of the pandemic: People will seek out the timeless. Pacaso is the latest in a number of new entrepreneurial ventures from Rascoff, who is co-chairing a new “blank check” company, or SPAC, with Alexander Klabin, a hedge fund manager who is set. com) and former board member of REA (parent company of realestate. 92-page plus booklet includes essays and interviews by Chris Smith (author of The View from the Back of the Band: The Life and Music of Mel Lewis), executive producer George Klabin, composer/pianist Jim McNeely, trombonisUeducator John Mosca, and producer Zev Feldman, as well as musicians heard on the recordings including Jerry Dodgion, Richard. Supernova is led by Spencer Rascoff, a serial entrepreneur who co-founded Hotwire and Zillow and who led Zillow as CEO for nearly a decade; Alexander Klabin, an investor and entrepreneur who co-founded Senator Investment Group; Robert Reid, an investor who worked for 21 years at Blackstone in its Private Equity Group; and Michael Clifton, an. He was named executive chairman of Sotheby’s Financial. Hedge fund manager Alexander Klabin, who co-founded the $6. Alexander Mathew Klabin Age : 46 Public asset : 4,850,261 USD Linked companies : Supernova Partners Acquisition Company III, Ltd. , Inc. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. The company is led by Co-Chairmen Spencer Rascoff and Alexander Klabin. Klabin spent five years at York Capital Management, a global multi-strategy investment firm. Related Companies Xl Insurance Global Risk. 9alexander klabin. The founders of $6. The US hedge fund manager Alexander Klabin has invested in Sotheby's and will become the executive chairman of its internal art financing business, Sotheby’s. Joining Rascoff as co-chair is Alexander Klabin, a veteran investor that’s set to become executive chairman of Sotheby’s Financial Services. , Nov. Alexander Klabin serves as Board Member at Enstructure. 2: CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a). By: /s/ Adam Martinez, as Attorney-in-fact for Alexander KlabinHedge Fund and Insider Trading News: Steve Cohen, Anthony Scaramucci, Bill Ackman, Alexander Klabin, Marshall Wace, Brummer & Partners, Leslie’s Inc (LESL), BlackRock, Inc. On the other hand Suburban Propane Partners LP (NYSE: SPH) is the least popular one with only 3 bullish hedge fund positions. According to its June 2022 tax filing, this nonprofit: Operated a school. 2: check the appropriate box if a member of a group (a) ¨ (b) ¨ 3: sec use only: 4: source of funds. Mr. BOSTON — Hedge fund Senator Investment Group told clients on Thursday that its founding partners are splitting up, ending one of the industry’s more profitable and durable professional marriages. 0. alexander klabin. alexander klabin. A. Alexander Klabin and Douglas Silverman have control of a Delaware limited liability company that may be deemed to control Senator Investment Group LP. The Wall Street community raises over $45 million yearly to add to UJA’s impact. A. I’m excited to. Nearly $70 million allocated in grants and loans for Covid relief — over and above UJA’s annual allocations. Sotheby’s Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and. Don calls Chestnut Hill, MA, home. Hedge fund manager Alexander Klabin, who co-founded the $6. 7: sole dispositive power. 7: sole dispositive power. Klabin formerly led. We are impressed that the Offerpad team has built a large and efficient business with relatively little capital. Alexander Klabin, co-chair of Supernova; founder and CEO of Ancient “Offerpad has a huge market opportunity, compelling unit economics and solves a large consumer need. Klabin, Robert D. The departed co-founder of Senator Investment Group reportedly said earlier this year he was leaving the $6. Brazil Gold Corp Acquisition: Osher Capital Partners Owns 9. 0. ). The home of UFC Memorabilia for MMA fans. Alexander Klabin will be leaving the $6. Jessica Warren. We are impressed that the Offerpad team has built a large and efficient business with relatively little capital. Supernova is led by Spencer Rascoff, a serial entrepreneur who co-founded Hotwire and Zillow and who led Zillow as CEO for nearly a decade; Alexander Klabin, an investor and entrepreneur who co-founded Senator Investment Group; Robert Reid, an investor who worked for 21 years at Blackstone in its Private Equity Group; and Michael Clifton, an. Ownership of Five Percent or Less of a Class:. Alexander Klabin, a low-profile investor who co-manages the New York hedge fund Senator Investment Group, is also among those who have been approached to back a competing offer, according to the. 9 billion Senator to “pursue a more entrepreneurial approach to investing,” the firm wrote in a letter to investors. Date of Earliest Transaction (Month/Day/Year) 09/17/2015: 4. Friday February 21, 2020 9:31 am. Klabin is co-founder of Senator Investment Group. 0. ALEXANDER KLABIN. Their main giving interests include education and public health. As a public company, well-capitalized and positioned for. Grant Finder /; For Donors /; Learn /; Articles /. Alexander Klabin's Senator Investment Group was the largest hedge fund owner of Americold Realty Trust with 5. Its proprietary data, specialized knowledge, and global relationships put it in an advantaged position to offer its clients a broad range of flexible financing solutions and services tailored to their bespoke needs. Trower h’95, Headmaster Paquita Y. to r. The evening was co-chaired by Kristen and Alexander Klabin, James L. Supernova II is led by Michael Clifton, who was most recently a technology investor at The Carlyle Group; Robert Reid, a long-time senior partner at Blackstone; Spencer Rascoff, a serial entrepreneur who co-founded Hotwire, Zillow, dot. Douglas Silverman and Alexander Klabin are the indirect majority owners of the firm. Alexander Klabin acquired minority stake in Sotheby's. Rascoff started the SPAC with Alexander Klabin, Robert Reid and Michael Clifton. Doug Silverman and Alexander Klabin’s Senator Investment Group also initiated a $912. Rascoff is a serial entrepreneur and co-founder of both Hotwire and Zillow. Katia Winter . Alexander Klabin – Co-chair of Supernova, founder and CEO of Ancient, Executive Chairman of Sotheby’s Financial Services; Ryan O’Hara – Former CEO of Move, Inc. Over the past 18 months, Alexander Klabin made no insider transaction in Offerpad Solutions Inc () . Kurtz Charles C. We appreciate the generous support of our donors. As a result, the firm decided that Silverman and others would gradually begin to take over Klabin's duties at the firm, while Klabin would still hold certain economic interests in the. 801-127384. klabin@gs. Our newsletters contain tracking pixels to help us deliver unique content based on each subscriber's engagement and interests. Reuters) – Hedge fund manager Alexander Klabin will invest in international art auction house Sotheby’s and become the executive chairman of its art financing business, the company said on. (917) 328-3999 View Free Details. Alexander Volkanovski. With Supernova II, Rascoff is again co-chairing the SPAC with Alexander Klabin, a hedge funder who is executive chairman at Sotheby’s Financial Services, a branch of the auction house that deals. We are impressed that the Offerpad team has built a large and efficient business with relatively little capital. Alexander Klabin is Managing Partner and Co-Chief Investment Officer of Senator Investment Group, a New York-based registered investment adviser founded in 2008. Public asset : 4,850,261 USD. Sotheby’s Financial Services offers. We are impressed that the. By building during the pandemic, when we were not able to perform indoors, it was completed almost two years early. 2 million investment in the stock during the quarter. This listing includes all annual donations and pledge payments of $1,000+ made between July 1, 2018 and November 30, 2019. “With nearly 30 years of experience as a lawyer and tax accountant, Dave is recognized as one of th. Alexander Klabin, co-chair of Supernova; founder and CEO of Ancient “Offerpad has a huge market opportunity, compelling unit economics and solves a large consumer need. alexander klabin. Organizations must report loans, grants or business transactions with interested parties, which may include key employees and officers, their family members and any. Douglas Silverman and Alexander Klabin founded Senator Investment Group in 2008. And welcome to the NCR Voyix Corporation Third Quarter Fiscal Year 2023 Earnings Conference Call. Senator Investment Group, a long-short event-driven hedge fund firm founded by Alexander Klabin and Douglas Silverman, tends to keep a very low profile. 0. In a landmark undertaking, the largest known association of descendants of enslaved ancestors and Jesuits responsible for their enslavement announced a partnership to create the Descendants Truth & Reconciliation Foundation, a billion-dollar vision to move America toward racial healing through a process of truth and reconciliation. PUERTO RICO VULTURE: ALEXANDER KLABIN. , Nov. Itajaí, SC. Alexander Klabin's Senator Investment Group was the largest hedge fund owner of Americold Realty Trust with 5. Primary tax return for a private foundation's. Picket Donald A. alexander klabin. number of shares beneficially owned by each reporting person with: 5: sole voting power. Sotheby’s Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and. Klabin Alexander C/O OFFERPAD SOLUTIONS INC. 8: shared dispositive power. Bazar, Thomas M. Alexander Klabin will be Executive Chairman of Sotheby’s Financial Services, post completion. 2020: CI Sotheby's Auditor Raises 'Going Concern' Doubt 2020: CI Sotheby's Announces Valentino D. Pels Charitable TrustWASHINGTON, Jan. BERKELEY, Calif. Our newsletters contain tracking pixels to help us deliver unique content based on each subscriber's engagement and interests. Alexander Klabin said: “Sotheby’s is a special company that sits at the center of culture and commerce. Shaw, with about $7. 8: shared dispositive power. The reimagination of David Geffen Hall was made possible because of the boldness and commitment of our key leaders. Browse Getty Images' premium collection of high-quality, authentic Alexander Klabin stock photos, royalty-free images, and pictures. 2019. Hedge fund Senator Investment Group told clients on Thursday that its founding partners are splitting up, ending one of the industry's more profitable and durable professional marriages. sgml : 20130425 20130425160254 accession number: 0000902664-13-002001 conformed submission type: sc 13g public document count: 1 filed as of date: 20130425 date as of change: 20130425 subject company: company data: company conformed name: taminco corp central index. Sotheby's Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and. The duo worked at York Capital Management before that. hdr. Fiscal Year Ending Dec. Holds $254. Arts & Culture; Civic; Economy; Education; Environment; GlobalGala Co-Chairs Alexander Klabin and Kristen Klabin attend the Opening Gala Concert of the 175th Season New York Philharmonic at David Geffen Hall on September 21, 2016 in New York City. Senator Investment Group was founded in 2008 by former Merrill Lynch co-workers Douglas Silverman and Alexander Klabin was founded in 2008 by former Merrill Lynch co-workers Douglas Silverman andalexander klabin. 21,500,000* 7: sole dispositive power. 415. Klabin worked as a distressed debt research analyst at Monarch Alternative Capital and a private equity professional at Quadrangle Group before joining York Capital Management. sgml : 20170612 20170612171531 accession number: 0000902664-17-002614 conformed submission type: sc 13g public document count: 1 filed as of date: 20170612 date as of change: 20170612 subject company: company data: company conformed name: spirit realty capital, inc. 9 billion Senator to "pursue a more entrepreneurial approach to investing," the firm wrote in a letter to investors. Carlotti Step Down from This Position as Executive Vice President, Global Head of Business Development 2019: CIDouglas Silverman, a United States citizen, and Alexander Klabin, a United States citizen, have control of a Delaware limited liability company that may be deemed to control Senator Investment Group LP. from Princeton University and began his career as an investment banker at Goldman Sachs. Try emailing Alexander M Klabin at alexander. Pels Charitable Trust Joan and Joel I. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. (Reuters) - Hedge fund manager Alexander Klabin will invest in international art auction house Sotheby’s and become the executive chairman of its art. E. with the ex-Zillow chief. Lucas . September 24, 2020 4:16 pm. number of shares beneficially owned by each reporting person with: 5: sole voting power. Wall Street Donors Guide. 0001193125-21-017746. The. The Company is led by the team that founded its predecessors, Supernova Partners Acquisition Company, Inc. 0. The other funds with new positions in the stock are Kevin Michael. The special-purpose acquisition company hasn’t targeted a specific industry, but it’s said to. If Amendment, Date of Original Filed (Month/Day/Year) 6. New York, NY, is where Alexandre Klabin lives today. Alexander Klabin said: “Sotheby’s is a special company that sits at the center of culture and commerce. txt : 20211110 0000899243-21-044082. 5: check box if disclosure of legal proceeding is required pursuant to items 2(d) or 2(e) ¨ 6: citizenship or place of organization. The Supernova team is made up of Spencer Rascoff, Alexander Klabin, Robert Reid and Michael Clifton. This case was filed in Suffolk County Superior Courts, with None presiding. Joining Rascoff as co-chair is Alexander Klabin, a veteran investor who is set to become executive chairman of Sotheby’s Financial Services. Lange Karen T. Berek joins from Baker McKenzie. from Princeton University and began his career as. Kristen M. Sotheby’s Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and. Alexander Shustorovich is the president of IMG Artists, a titan among impresarios, who gave Trumps’ inauguration committee a cool $1 million. BACKGROUND: Alexander Klabin graduated with a B. Photo by Mireya Acierto/FilmMagic. Nederlander Elizabeth A. BERKELEY, Calif. com) and former board member of REA (parent company of realestate. Don Klabin was born on 02/07/1947 and is 76 years old. Alexander Klabin is the director of Offerpad Solutions Inc. Aeolus. Alexander Klabin will be leaving the $6. 0. C/O ALEXANDER KLABIN: Address: C/O ALEXANDER KLABIN 1010 FIFTH AVENUE 10A NEW YORK, NY 10028: Sale Price: $6,400,000: Certificate: Book & Page : C0026587/0: Sale Date: 09/06/2017: Instrument: 00: Ownership History. , where a philanthropic couple, Suzanne and Jaime Hecht. henry r. A. Clifton was most recently a senior investment professional at The Carlyle Group. . A. Sarah Minnich. Reid spent 21. - Part 3Alexander Klabin and Doug Silverman's Senator Investment Group has filed its 13F with the SEC, disclosing many of its long equity positions as of the end of March. sgml : 20210126 20210126163200 accession number: 0001193125-21-017746 conformed submission type: sc 13g public document count: 5 filed as of date: 20210126 date as of change: 20210126 group members: alexander klabin group members: michael s. Investor Alexander Klabin, who earlier led an unsuccessful effort to buy Sotheby’s, has acquired a minority stake in the auction house. hdr. Klabin is the founder of hedge fund Senator Investment Group, which he left in February. Itajaí, SC. Supernova is led by Spencer Rascoff, a serial entrepreneur who co-founded Hotwire and Zillow and who led Zillow as CEO for nearly a decade; Alexander Klabin, an investor and entrepreneur who co. He will launch his newly-formed company named. Itajaí, SC. The founders of $6. 2150 E. In 2013, only 16 hedge funds were able to outperform the S&P 500, and for the most part those 16 did the same thing — go long stocks all the way. Supernova II is led by the team that founded its predecessor, Supernova Partners Acquisition Company, Inc. Bacot Shamel Larry A. . 8: shared dispositive power. 8 billion and has specialized in so-called event-driven investing like mergers. ”. 9bn hedge fund firm Senator Investment Group are splitting up after 12 years together, following a rift that had grown between the two. In the past, Don has also been known as Donald M Klabin, Don Mg Klabin, Don M Klabin and Donald Klabin. Alexander Klabin J. Senator Investment Group had $82. Sotheby's Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and Edvard. 0001193125-21-017746. A Former Hedge Fund Manager Is Going. 2: check the appropriate box if a member of a group (a) ¨ (b) ¨ 3: sec use only: 4: citizenship or place of organization. lawrence D. All Fighters. OVERVIEW: Alexander and Kristen Klabin conduct their philanthropy through The Senator Foundation, which, according to available tax filings, gave away $420,000 in grants in 2018. Nederlander, and Mary Wallach, and raised more than $640,000 for the Philharmonic—which is planning to return to. Douglas Silverman, Alexander Klabin: Senator Investment Group, a hedge fund managed by Douglas Silverman and Alexander Klabin, recently almost doubled its stake in PHH Corporation (NYSE:PHH). com. The duplex, which looks down on the Met, just sold for $13. Alexander Klabin will be leaving the $6. Gille Klabin . 333-259790), initially filed on September 24, 2021 and declared effective by the Securities and Exchange Commission on October 1, 2021 (the “Registration Statement”), is being filed as an. alexander klabin. Mayer Brown announced today that David Berek has joined the firm’s Chicago office as a partner in the Private Clients, Trusts & Estates practice. LinkedIn is the world’s largest. 2: check the appropriate box if a member of a group (a). Mr. Not Theresa. and on the board of 7 other companies. Senator Investment Group, managed by Doug Silverman and Alexander Klabin, initiated the most valuable position in Apollo Global Management Inc (NYSE:APO). Sotheby’s Financial Services offers financing against art collections of all types, including those of the late Duchess of Windsor, the personal collection of artist Andy Warhol and. Tommy Flanagan . Shaw, with about $7. The company is led by Co-Chairmen Spencer Rascoff and Alexander Klabin. alexander klabin. and Supernova Partners Acquisition Company II, Ltd. Alexander Klabin acquired minority stake in Sotheby's. LA and Pacaso and who led Zillow as CEO for nearly a decade; Alexander Klabin, an investor and. Klabin formerly led Senator Investment Group and will soon become executive chairman of Sotheby’s. BERKELEY, Calif.