Wachtell Lipton was founded on a handshake in 1965 as a small group of lawyers dedicated to providing advice and expertise at the highest levels. We have achieved extraordinary results following the distinctive vision of our founders -- a cohesive team of lawyers intensely focused on solving our clients' most important problems.
Our distinctive structure defines our approach.  We maintain a ratio of associates to partners significantly below that of other firms.  We focus on matters that require the attention, extensive experience and sophistication of our partners.
We have experience in the fields of mergers and acquisitions, strategic investments, takeovers and takeover defense, corporate and securities law and corporate governance. We handle some of the largest, most complex and demanding transactions in the United States and around the world.
Wachtell Lipton is dedicated to providing advice and expertise at the highest levels and achieving extraordinary results for our clients. We seek individuals who are talented, motivated and committed in order to maintain our record of excellence.
Ostling, Gregory E.
Partner, Corporate
tel 212.403.1364
fax 212.403.2364


Gregory E. Ostling is a corporate partner at Wachtell, Lipton, Rosen & Katz, where he focuses primarily on mergers and acquisitions and complex corporate and securities law matters.  Greg has been involved in numerous major domestic and cross-border merger and acquisition transactions, leveraged buyouts, joint ventures, divestitures, public offerings, proxy fights and takeover defenses.  He also regularly counsels boards of directors and board committees on corporate governance matters.

Greg is chairman of the International Mergers & Acquisitions/Joint Venture Committee of the New York State Bar Association, and frequently speaks on international panels regarding current trends in mergers and acquisitions and corporate governance.  He is also listed as a Super Lawyer in the area of mergers and acquisitions by Super Lawyers magazine.

Among other matters, he represented:

  • Actelion in its $30 billion sale to Johnson and Johnson
  • Penn National Gaming in its pending $2.8 billion acquisition of Pinnacle Entertainment, $575 million divestiture transaction with Boyd Gaming and its $315 million sale-leaseback with Gaming and Leisure Properties
  • Medivation in its $14.6 billion acquisition by Pfizer
  • Rodale in its $205 million sale to Hearst
  • Spectra Energy in its $28 billion merger with Enbridge
  • Office Depot in its $1 billion acquisition of CompuCom
  • W.R. Grace & Co. in its $2 billion spin-off of its Construction Products business
  • GCP Applied Technologies in its $1.05 billion sale of Darex Packaging Technologies to Henkel 
  • Gaming and Leisure Properties in its $5.1 billion acquisition of Pinnacle Entertainment’s real estate assets
  • WestRock in its $2.5 billion spin-off of its Specialty Chemicals business
  • The National Geographic Society in its $725 million expansion of its media joint venture with 21st Century Fox
  • Dresser-Rand in its $7.6 billion acquisition by Siemens
  • MeadWestvaco Corporation in its $16 billion merger with RockTenn, its $1 billion spin/merger of its Consumer & Office Products business with ACCO Brands Corporation and its $1.5 billion sale of US timberlands to and development joint ventures with Plum Creek and against an activist campaign by Starboard Value
  • RenaissanceRe in its $1.9 billion acquisition of Platinum Underwriters
  • Aspen Insurance against a $3.2 billion hostile takeover bid by Endurance
  • Cooper Industries plc in its reincorporation to Ireland and its $11.8 billion sale to Eaton
  • ConocoPhillips in its $15 billion joint venture with EnCana Corporation, $5 billion joint venture with Origin Energy, and the $20 billion spin-off of the company's Refining & Marketing businesses
  • Genzyme's Independent Board of Directors in its response to an unsolicited takeover bid by Sanofi-Aventis and in the subsequent $20 billion negotiated sale to Sanofi-Aventis
  • Various clients, including the New York Stock Exchange, for potential listing on the Shanghai Stock Exchange and the development of a PRC International Board for non-PRC companies
  • Marsh & McLennan in its pending $6.4 billion acquisition of Jardine Lloyd Thomson and its $1.2 billion sale of Kroll to Altegrity
  • LSB Industries against activist campaigns by Starboard Value and Engine Capital
  • Motorola against activist campaigns by Carl Ichan, and its initial public offering/spin-off of Freescale Semiconductor and spin-off of Motorola Mobility
  • Mirant in its $3.1 billion merger with RRI Energy
  • Phillips-Van Heusen in its $2.9 billion acquisition of the Warnaco Group, $3 billion acquisition of Tommy Hilfiger, acquisition of the Arrow brand and various securities offerings
  • Centex in its $3.1 billion sale to Pulte Homes
  • Alcoa in its $14 billion purchase with the Aluminum Corporation of China of an interest in Rio Tinto
  • Apollo in its $27.8 billion buy-out of Harrah's Entertainment with Texas Pacific Group and sale of Pallecon
  • Goldman Sachs, AIG, Carlyle and Riverstone in their $22 billion buy-out of Kinder Morgan
  • AT&T in its $44 billion merger with MediaOne, its $5 billion acquisition of IBM’s Global Network Business, its $1.7 billion acquisition of Vanguard Cellular Systems, its $11 billion offer of AT&T Wireless tracking stock and its transfer of cable systems with Comcast
  • Hellman & Friedman in its acquisition of Blackbaud and LPL Financial Services
  • AG Edwards in its $7 billion acquisition by Wachovia 
  • Steward & Stevenson in its $800 acquisition by Armor  
  • Knight Ridder against an activist campaign by Private Capital Management and in the subsequent $4.5 billion negotiated sale to The McClatchy Company
  • Pinault Printemps-Redoute in its $1 billion divestiture of its Contract Stationery Business to Office Depot 

Greg received an A.B. in Political Science from Columbia University in 1991 and a M.A. in Educational Theory from Columbia University’s Teachers College in 1992.  He received a J.D. from the Columbia University School of Law in 1998, where he was a Kent Scholar and a Teaching Fellow.  Prior to law school, Greg was a teacher and professional soccer player. Greg lives in Manhattan with his wife and three sons.

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