Gregory T. Grogan

Hiring Partner at Simpson Thacher & Bartlett LLP

Gregory T. Grogan

Gregory T. Grogan

Hiring Partner at Simpson Thacher & Bartlett LLP


Greg Grogan is a Partner in the Firm’s Executive Compensation and Employee Benefits Practice and focuses his work on executive retention and motivation in M&A transactions and IPOs, with a particular focus on private equity. In 2016, Chambers USA described Greg as “very technically proficient, practical, timely, responsive and just a wonderful lawyer.”

Greg also routinely advises boards of directors with regard to CEO succession matters, including at Hilton Hotels, PetSmart, Johnson Controls, Gannett, SeaWorld, Change Healthcare, and Cosmopolitan Las Vegas (and, at the height of the financial crisis, both Wachovia and Washington Mutual).

Greg was recognized among the leading executive compensation lawyers in New York in the 2011-2017 editions of Chambers USA: America’s Leading Lawyers for Business and the 2011-2017 editions of The Legal 500 United States.

Private Equity. Greg advised on the following private equity transactions:

* More than 75 acquisitions or sales by Blackstone, including Equity Office, SeaWorld Entertainment, GSO Capital, Motel 6, Invitation Homes, Optiv Security, Apria Healthcare, Gates Global, Performance Food Group, Vivint, Tradesmen, Ascend Learning, GCA Services, Emdeon, Birds Eye Foods, Travelport, and AlliedBarton

* Dozens of transactions for Blackstone Real Estate, including Hilton Hotels, Equity Office Properties, Brixmor, Motel 6, Invitation Homes, Cosmopolitan Las Vegas, Willis Tower, IndCor Propreties, StuyTown/Peter Cooper Village, BioMed, Strategic Hotels, Capital Trust, Excel Trust, Apple REIT Six, and Merrill Lynch Asia’s real estate investment business

* BC Partners’ $8.7 billion acquisition of PetSmart (and PetSmart's subsequent acquisition of;
* The ADT Corporation’s $15 billion sale to Apollo;
* A private equity consortium’s acquisition of BankUnited through the FDIC

* Centerbridge’s acquisitions of Great Wolf Resorts, GSI, American Renal Associates and Remedi SeniorCare

* BC Partners and Silver Lake Partners’ acquisition of MultiPlan (and subsequent sale)

* Melrose’s going-private acquisition of Nortek

* New Mountain Capital’s control investment in AmWINs

* Lightyear Capital’s acquisition of FIS’ healthcare benefit solutions business (Alegeus)

* Thomas H. Lee Partners’ acquisition of Sword Insurance

* Tyco International’s sale of its electrical and metal products business to Clayton Dubilier & Rice

* LPL Financial Services’ sale to TPG and Hellman & Friedman

* Financing of 3G’s acquisition of Burger King and Cerberus Capital’s acquisition of Chrysler

Strategic Transactions. Greg worked on the following non-buyout transactions:

* Microsoft in its $28.2 billion acquisition of LinkedIn, its $7.2 billion acquisition of Nokia’s phone business and in its $8.5 billion acquisition of Skype from Silver Lake Partners
* Vodafone’s $130 billion sale of its U.S. group to Verizon Communication

* IPOs of Blackstone, Hilton Hotels, SeaWorld, Invitation Homes, Performance Food Group, Pinnacle Foods, Brixmor, Summit Materials, BankUnited, American Renal Associates and Graham Packaging (all as issuer’s counsel)

* Hilton’s spinoff of Park Hotels and Hilton Grand Vacations
* Blackstone’s spinoff of its advisory business to form PJT Partners
* Invitation Homes in its $20 billion merger of equals with Starwood Waypoint Homes
* Tyco in its merger of equals with Johnson Controls
* Tyco’s separation of the company into three standalone public companies with an estimated value of $18 billion (including the merger of Tyco’s Flow Control business with Pentair in a $10 billion “reverse Morris trust” transaction)

* Tyco’s $2 billion acquisition of Broadview Security (f/k/a Brink’s Home Security) and Tyco’s acquisition of Chemguard
* Johnson Control’s $2 billion sale of its Scott Safety business to 3M
* SiriusXM's strategic investment in Pandora
* PPL’s spinoff of generation assets to form Talen Energy (and subsequent Reverse Morris Trust merger)
* PPL’s $7.6 billion acquisition of E.ON US LLC
* ITC Holding’s $11.3 billion sale to Fortis

* AIG’s $4.8 billion sale of its Japan-based life insurance subsidiaries
* IBERIABANK’s $1 billion acquisition of Sabadel United Bank

* Ameriprise’s $1 billion acquisition of Bank of America’s long-term asset management business Columbia Management

* CBRE’s $940 million acquisition of the global real estate investment management business from ING

* Bowne & Co.’s $500 million all-cash merger sale to R.R. Donnelley & Sons

* AOL’s $850 million acquisition of Bebo

* Graham Packaging’s $4.5 billion sale to Reynolds Group

Greg also has previous experience advising on general M&A matters, including the independent directors of Fox Entertainment in connection with News Corp’s unsolicited tender offer for Fox; Coors in its merger of equals with Molson; the Santo Domingo family in its sale of Latin American brewer Bavaria S.A.; and Washington Mutual in the sale of its consumer finance business to Citigroup. He also represented Blackstone and KKR in numerous M&A transactions.

Greg joined Simpson Thacher in 2000 and became a Partner in 2007. He received his J.D., cum laude, from Georgetown University Law Center in 1998, where he was senior editor of the Journal of Law and Policy in International Business, and his B.A., in Journalism and Political Science, from California State University, Northridge, in 1995.

Greg served as one of the Firm's Hiring Partners from 2012-2017.

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Gregory T. Grogan
Hiring Partner at Simpson Thacher & Bartlett LLP
JD, cum laude
Class of 1998

Georgetown University Law Center is the law school of Georgetown University, located in Washington, D.C. Established in 1870, the Law Center offers J.D., LL.M., and S.J.D. degrees in law.[5] As the second largest law school in the United States, Georgetown Law often touts the advantages of its wide range of program offerings and proximity to federal agencies and courts, including the Supreme Court

Class of 1995

California State University, Northridge is a vibrant, diverse university community of 38,310 students and more than 4,000 faculty and staff, sited on a 356-acre campus in the heart of Los Angeles' San Fernando Valley. As you explore the university's web site, you will find ample evidence of Cal State Northridge's commitment to the educational and professional goals of students, and its extensive service to the community.

Senior Editor
1996 - 1998

The Georgetown Journal of International Law is one of the nation's top resources for scholars and practitioners in the field of international law. Formerly known as Law and Policy in International Business, the Journal publishes an annual review and commentary on the U.S. Court of International Trade in the fall. In the final three issues of each volume, the Journal publishes a diverse range of material in the fields of public international law, private international law, transnational law, foreign relations law, and comparative law. In addition to its publications, the Journal sponsors an annual symposium on a topic of current prominence; recent topics have included Economic Sanctions, Corporate Responsibility and the Alien Tort Statute, International Cyberlaw, and Sovereign Wealth Funds.

Career History
Hiring Partner
2000 - Current

Simpson Thacher & Bartlett LLP provides legal services. Established in 1884, the firm provides coordinated legal advice on corporate transactions and litigation matters in industries which include financial services, insurance, power and natural resources, consumer products, services, technology, telecommunications, media, pharmaceuticals and healthcare industries. Cross-border finance, banking and bank regulation, mergers and acquisitions, securities issuance and regulation, project and asset based finance, real estate, asset management, joint ventures, taxation, litigation and dispute resolution are important aspects of the firm's practice.

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SunRun, Inc. purchases Vivint Solar, Inc.

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First Horizon National Corporation - Tennessee purchases Iberiabank Corp

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Change Healthcare, Inc. purchases eRx Network LLC

Awards & Honors
Admitted to the New York Bar
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