Mr Gregory Grogan > Simpson Thacher & Bartlett LLP > New York, United States > Lawyer Profile

Simpson Thacher & Bartlett LLP
NEW YORK, NY 10017-3954
United States
Gregory Grogan photo

Work Department

Executive Compensation and Employee Benefits


Executive compensation and employee benefits specializing in retention and motivation in M&A transactions and IPOs with a private equity focus. Significant engagements include 150+ Blackstone acquisitions, divestitures and IPOs (Hilton, Bumble, Ancestry, Refinitiv, SeaWorld, Vivint, Invitation Homes, Equity Office, Motel 6); LBOs of PetSmart, ADT and Nortek; and multiple transactions for AIG, Centerbridge, Mars, Microsoft (Activision Blizzard, LinkedIn, Skype, GitHub, ZeniMax, Nuance), SiriusXM, PPL and Johnson Controls/Tyco. Greg regularly advises boards regarding C-level succession matters. Experienced in PBGC negotiations.


Joined Firm, 2000; Partner 2007.


BA, California State University, Northridge, 1995; JD, Georgetown University Law Center, 1998.

Lawyer Rankings

United States > Labor and employment > Employee benefits, executive compensation and retirement plans: transactional

(Hall of Fame)

Gregory Grogan – Simpson Thacher & Bartlett LLP

Simpson Thacher & Bartlett LLP’s expertise in the private equity space continues, with the team praised for its ‘excellent and pragmatic advice’ to private equity funds and their portfolio companies, as well as some of the firm’s corporate clients, on the executive compensation and employee benefits aspects of high-end M&A and IPOs. Brian Robbins leads the practice and regularly handles ERISA Title 1 issues, while Laurence Moss focuses on leveraged buyout transactions. Gregory Grogan recently represented Microsoft in its pending $19.7bn acquisition of Nuance Communications, and David Rubinsky advises private equity investors and the management teams of their portfolio companies on equity compensation arrangements. Jeannine McSweeney acts for clients across the financial services, technology and healthcare sectors on a range of executive compensation and employee benefit arrangements, and Andrew Blau handles equity and deferred compensation plans, as well as tax and securities-related issues. Palo Alto-based Tristan Brown notably advises private equity funds, including Silver Lake Partners and KKR, in M&A deals. Named attorneys operate from the firm’s New York office unless otherwise stated.