10 Vertex Pharmaceuticals legal leaders
Kathy Johnson, Vice President, Commercial and Development Legal at Vertex Pharmaceuticals, is one of ten Vertex Pharmaceuticals legal leaders listed here, alongside people who hold executive director, senior director and assistant general counsel roles at the company. A reader can learn how legal leaders work at Vertex Pharmaceuticals from people who have held the role.
Professionals to explore
Ceylan Ergunt
LinkedInExperience: Director Legal, IHQ · Vertex Pharmaceuticals
Ceylan Ergunt has been Director Legal, IHQ at Vertex Pharmaceuticals in the London area since September 2022, and the profile headline lists Solicitor, England and Wales. Ceylan Ergunt was Senior Legal Counsel (2019–2022) and Compliance Manager (2016–2019) at Novo Nordisk, and Senior Legal Counsel at Enerjisa (2011–2014).
Christiana Stevenson
LinkedInExperience: Assistant General Counsel · Vertex Pharmaceuticals
Christiana Stevenson has been Assistant General Counsel at Vertex Pharmaceuticals in Boston since August 2021, a role the profile tags at director level in legal. Christiana Stevenson was Director, Senior Counsel at Vertex Pharmaceuticals (2019–2021), an Associate at Ropes & Gray LLP (2015–2019) and an Associate at Hogan Lovells (2010–2015), and lists a Secondment - Corporate Legal Department at Colgate-Palmolive (2012–2013).
David J. Derusha
LinkedInExperience: Assistant General Counsel & Senior Director of Global Investigations · Vertex Pharmaceuticals
David J. Derusha has been Assistant General Counsel & Senior Director of Global Investigations at Vertex Pharmaceuticals in Boston since April 2026. David J. Derusha also held Senior Legal Counsel (2025–2026) and Compliance Director (2023–2025) roles at Vertex Pharmaceuticals, and was an Assistant U.S. Attorney (2018–2023) and a Litigation Associate at Ropes & Gray LLP (2011–2018).
Jacquelyn White
LinkedInExperience: Executive Director, Head of Global Labor & Employment Law · Vertex Pharmaceuticals
Jacquelyn White has been Executive Director, Head of Global Labor & Employment Law at Vertex Pharmaceuticals in Boston since February 2022 and was Senior Director, Global Labor & Employment there (2019–2022). Jacquelyn White was Senior Director, Employment Counsel (2017–2019) and Associate General Counsel, Employment Law (2014–2017) at Thermo Fisher Scientific, and Counsel, Human Resources Law Group at IBM (2008–2014).
James Dorer
LinkedInExperience: Executive Director, Business Transactions Legal · Vertex Pharmaceuticals
James Dorer has been Executive Director, Business Transactions Legal at Vertex Pharmaceuticals in the Boston area since February 2025. James Dorer also held Assistant General Counsel (2021–2025), Director & Sr. Corporate Counsel (2019–2021) and Associate Director & Corporate Counsel (2017–2019) roles at Vertex Pharmaceuticals, and was an Associate at Ropes & Gray LLP (2012–2017).
Kathy Johnson
LinkedInExperience: Vice President, Commercial and Development Legal · Vertex Pharmaceuticals
Kathy Johnson has been Vice President, Commercial and Development Legal at Vertex Pharmaceuticals in the Boston area since June 2021, and the profile describes leading a team of senior attorneys providing strategic legal counsel across U.S. and global commercial work. Kathy Johnson was Assistant General Counsel at Vertex Pharmaceuticals (2020–2021) and Senior Director, Legal Counsel at Shire (2014–2016).
Laura Adams
LinkedInExperience: Senior Director, Assistant General Counsel · Vertex Pharmaceuticals
Laura Adams has been Senior Director, Assistant General Counsel at Vertex Pharmaceuticals in Boston since May 2024 and was Legal Senior Counsel, Market Access there (2022–2024). Laura Adams was Director, Corporate Counsel (2022) and Associate Director, Corporate Counsel (2019–2022) at Regeneron, and an Associate at Pepper Hamilton LLP (2013–2019).
Lisa Rachlin
LinkedInExperience: Assistant General Counsel & Senior Director, Litigation · Vertex Pharmaceuticals
Lisa Rachlin has been Assistant General Counsel & Senior Director, Litigation at Vertex Pharmaceuticals in the Boston area since November 2021. Lisa Rachlin also lists Senior Corporate Counsel, Litigation at Vertex Pharmaceuticals since 2019, held Corporate Counsel, Commercial there (2016–2019), and was an Associate at Ropes & Gray LLP (2011–2016).
Nathan Edwards
LinkedInExperience: Executive Director, Intellectual Property · Vertex Pharmaceuticals
Nathan Edwards has been Executive Director, Intellectual Property at Vertex Pharmaceuticals in the Boston area since August 2021. Nathan Edwards also held Senior Director Assistant General Counsel, Intellectual Property (2018–2021) and Director, Intellectual Property (2017–2018) roles at Vertex Pharmaceuticals, and was IP Counsel Associate General Counsel, IP at Biogen (2013–2017).
Nigel Moss
LinkedInExperience: Senior Legal Director, Assistant General Counsel · Vertex Pharmaceuticals
Nigel Moss has been Senior Legal Director, Assistant General Counsel at Vertex Pharmaceuticals in London since June 2025 and was International Legal Director there (2022–2025). Nigel Moss was Legal Director, EMEA at Abbott (2019–2022), and Legal Director, Strategy (2016–2019) and Legal Director, Europe (2014–2016) at Coca-Cola Europacific Partners.
Choose the right perspective
Match the person's practice area, such as commercial and market access, business transactions, intellectual property, litigation, investigations or employment law, to the decision you face. Weigh how long each person has held the role and how close their work sits to your question.
Questions to take into the conversation
- 01How did you organize legal support for the practice area or region you covered?
- 02What did you learn about balancing legal risk with launch and development timelines in your role?
- 03How did you decide which matters to handle in-house and which to send to outside counsel?
Reaching Vertex Pharmaceuticals legal leaders
How can I contact one of these Vertex Pharmaceuticals legal leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Vertex Pharmaceuticals, based on profile data retrieved on October 17, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Vertex Pharmaceuticals legal leaders?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Vertex Pharmaceuticals legal leaders a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. Claude and ChatGPT can do the same through the Instant Expert connector: setup is at /docs/mcp for Claude and /docs/chatgpt for ChatGPT. x402 docs
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.
Request a correction or removal