10 Organon legal leaders
Kirke Weaver, Executive Vice President, General Counsel and Corporate Secretary, opens this list of Organon legal leaders, who include vice presidents, executive directors and directors in litigation, regulatory, commercial and regional legal work. A reader can learn how legal leaders work at Organon from people who have held the role.
Professionals to explore
Faye C. Brown, Esq.
LinkedInExperience: Executive Director, Managing Counsel- Executive Compensation, Governance & Asst. Corporate Secretary · Organon
Faye C. Brown, Esq. has been Executive Director, Managing Counsel- Executive Compensation, Governance & Asst. Corporate Secretary at Organon since November 2024 and was Lead, Corporate Secretary Services, Governance Counsel and Assistant Secretary there from 2021 to 2024. Faye C. Brown was Director, Corporate Governance and Senior Assistant Corporate Secretary at Merck from 2018 to 2021.
Gerard Devlin
LinkedInExperience: Vice President, Intellectual Property, Investigations, Litigation & Employment/Benefits Law · Organon
Gerard Devlin has been Vice President, Intellectual Property, Investigations, Litigation & Employment/Benefits Law at Organon since June 2021. Gerard Devlin was Managing Counsel, Intellectual Property Litigation at Merck from 2019 to 2021, Managing Counsel, Litigation there from 2018 to 2019 and Managing Counsel, Patents there from 2010 to 2013.
John Duff
LinkedInExperience: Executive Director, Global Litigations & Investigations · Organon
John Duff has been Executive Director, Global Litigations & Investigations at Organon since January 2025, based in Jersey City. John Duff was Senior Vice President, Associate General Counsel, Risk Management & Litigation at Wellpath from 2024 to 2025, Vice President, Corporate Litigation at AbbVie from 2006 to 2021 and Associate, Litigation at Mayer Brown from 2000 to 2006.
Kirke Weaver
LinkedInExperience: Executive Vice President, General Counsel and Corporate Secretary · Organon
Kirke Weaver has been Executive Vice President, General Counsel and Corporate Secretary at Organon since July 2022 and was Senior Vice President, Commercial, Regulatory, Securities, Employment & Deputy Corporate Secretary there from 2021 to 2022. Kirke Weaver was Vice President, Office of General Counsel at Merck from 2015 to 2021 and Managing Counsel, Office of General Counsel there from 2010 to 2013.
Michael Regan
LinkedInExperience: Executive Director · Organon
Michael Regan has been Executive Director at Organon since May 2024, a role the headline gives as Executive Director, Commercial Legal, and was Counsel, Commercial and BD Transactions there from 2021 to 2024. Michael Regan was Counsel, U.S. Market Commercial and Compliance Group at Merck from 2007 to 2017 and Associate, Corporate and Securities Group at Drinker Biddle & Reath LLP from 2001 to 2007.
Rosemary McKenna
LinkedInExperience: Executive Director, Regulatory Legal · Organon
Rosemary McKenna has been Executive Director, Regulatory Legal at Organon since August 2024 and was Director, Regulatory Legal there from 2021 to 2024. Rosemary McKenna was Director, Regulatory-Legal at Merck from 2020 to 2021 and Labor and Employment Attorney at Blank Rome LLP from 2017 to 2019, based in Philadelphia.
Shaun Tan
LinkedInExperience: Executive Director and Regional Managing Counsel (APJ) · Organon
Shaun Tan has been Executive Director and Regional Managing Counsel (APJ) at Organon since July 2021, leading legal and compliance across Asia Pacific and Japan. Shaun Tan was Director Corporate, External and Legal Affairs Microsoft Singapore at Microsoft from 2019 to 2021 and Legal and Compliance Leader - Brunei, Indonesia, Malaysia, Singapore and Vietnam at Medtronic from 2018 to 2019.
Sui Jim
LinkedInExperience: Director, Commercial Legal Counsel · Organon
Sui Jim has been Director, Commercial Legal Counsel at Organon since September 2022, with a profile citing commercial, research, corporate and regulatory work in life sciences and healthcare. Sui Jim was Associate General Counsel at NewYork-Presbyterian Hospital from 2017 to 2022 and Associate General Counsel at Care New England from 2013 to 2017.
Tarnetta Jones
LinkedInExperience: Head of Legal - Securities & Finance · Organon
Tarnetta Jones has been Head of Legal - Securities & Finance at Organon since May 2021 and also lists Adjunct Professor Of Law at Cardozo School of Law since 2021. Tarnetta Jones was Senior Counsel at Thompson Hine LLP from 2019 to 2021, Of Counsel at Otterbourg P.C. from 2018 to 2019 and Founder, CEO at ACATA from 2015 to 2018.
Tom FitzGibbon
LinkedInExperience: Legal Director · Organon
Tom FitzGibbon has been Legal Director at Organon since June 2021, with a headline of Business Development Lawyer at Organon, based in Kenilworth, New Jersey. Tom FitzGibbon was Director, Legal at Merck from 2009 to 2021 and Legal Director, Commercial Law there from 2004 to 2009.
Choose the right perspective
Match the person's practice area, such as litigation and investigations, regulatory legal, commercial and business development deals, governance or a regional legal team, to the decision you face. Check whether the legal role is current or ended, and when, to judge how recent their view is.
Questions to take into the conversation
- 01What did you change first when you took on your current legal role, and why?
- 02How do you decide which legal risks the business needs to hear about now and which can wait?
- 03What has your own work taught you about building a legal function for a newly independent company?
Reaching Organon legal leaders
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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