10 Danaher legal leaders
Jonathan Leiken, Chief Legal Officer at Danaher, is one of ten Danaher legal leaders listed here, alongside people who hold deputy general counsel, chief counsel and associate and assistant general counsel roles at the company. A reader can learn how legal leaders work at Danaher from people who have held the role.
Professionals to explore
Allison Fulton
LinkedInExperience: Assistant General Counsel Regulatory Compliance, Danaher Diagnostics · Danaher
Allison Fulton has been Assistant General Counsel Regulatory Compliance, Danaher Diagnostics at Danaher since February 2023. Allison Fulton was a Partner at Sheppard from 2019 to 2023, a Partner, Food, Drug and Medical Device at Sidley Austin LLP from 2008 to 2019 and an Associate at Milbank, Tweed, Hadley & McCloy LLP from 2005 to 2008.
Andrew Chien
LinkedInExperience: Chief Intellectual Property Counsel - Diagnostics Platform · Danaher
Andrew Chien has been Chief Intellectual Property Counsel - Diagnostics Platform at Danaher since July 2025. Andrew Chien was Head of Intellectual Property of Diagnostics at Siemens Healthineers from 2023 to 2025, Managing Intellectual Property Counsel there from 2021 to 2023 and Executive Director, Senior Counsel Intellectual Property at Allergan from 2018 to 2020.
Claire Sheng
LinkedInExperience: Vice President & Chief Counsel M&A · Danaher
Claire Sheng has been Vice President & Chief Counsel M&A at Danaher since September 2026 and also lists Associate General Counsel - M&A at Danaher since April 2025. Claire Sheng was Senior Counsel, M&A at Danaher from 2020 to 2025, Of Counsel, Mergers & Acquisitions at Jones Day from 2015 to 2019 and Special Counsel, M&A Private Equity at Fried, Frank, Harris, Shriver & Jacobson LLP in 2015.
Guna Rogers
LinkedInExperience: Assistant General Counsel, Beckman Coulter Life Sciences · Danaher
Guna Rogers has been Assistant General Counsel, Beckman Coulter Life Sciences at Danaher since October 2018. Guna Rogers was Counsel, North America, Elanco Animal Health at Eli Lilly and Company from 2016 to 2018, General Counsel & Executive Director of Corporate Services at AIT Laboratories from 2013 to 2016 and an Attorney at Barnes & Thornburg LLP from 2007 to 2013.
Jim O' Reilly
LinkedInExperience: Senior Vice President, Deputy General Counsel and Secretary; Chief Sustainability Officer · Danaher
Jim O' Reilly has been Senior Vice President, Deputy General Counsel and Secretary; Chief Sustainability Officer at Danaher since March 2025. Jim O' Reilly was Vice President, Deputy General Counsel and Secretary at Danaher from 2020 to 2024 and Vice President, Associate General Counsel and Secretary there from 2013 to 2020, and also served as Interim General Counsel from 2015 to 2016.
Jonathan Leiken
LinkedInExperience: Chief Legal Officer · Danaher
Jonathan Leiken has been Chief Legal Officer at Danaher since August 2025, describing a background as general counsel and corporate secretary, law firm partner and federal prosecutor. Jonathan Leiken was Executive Vice President, Chief Legal Officer & Corporate Secretary at Dollar Tree Stores from 2023 to 2025 and Executive Vice President, Chief Legal Officer & Secretary at Diebold Nixdorf from 2014 to 2023.
Julia Lifshits
LinkedInExperience: Assistant General Counsel, Beckman Coulter Diagnostics · Danaher
Julia Lifshits has been Assistant General Counsel, Beckman Coulter Diagnostics at Danaher since August 2022, with a headline naming global diagnostics and medtech, strategic transactions and business development. Julia Lifshits was Associate General Counsel, Leica Biosystems & Mammotome at Danaher from 2020 to 2022, Senior Counsel there from 2018 to 2020 and Senior Counsel at BD from 2014 to 2016.
Michael Levy
LinkedInExperience: Assoc. General Counsel, IP Litigation · Danaher
Michael Levy has been Assoc. General Counsel, IP Litigation at Danaher since March 2025 and was Senior Counsel -- M&A IP at Danaher from 2021 to 2025. Michael Levy was Senior Assistant General Counsel, Patents and Licensing at Bayer from 2017 to 2021, a Partner at Andrews Kurth Kenyon from 2016 to 2017 and a Partner at Kenyon & Kenyon LLP from 2004 to 2016.
Robyn Carr
LinkedInExperience: Associate General Counsel, Global Compliance Investigations · Danaher
Robyn Carr has been Associate General Counsel, Global Compliance Investigations at Danaher since April 2026 and was Senior Counsel, Investigations at Danaher from 2025 to 2026. Robyn Carr was Assistant Director, Division of Enforcement and Investigations at the Public Company Accounting Oversight Board (PCAOB) from 2024 to 2025 and Principal Counsel, Main Enforcement at FINRA from 2019 to 2021.
Ross Allen
LinkedInExperience: Vice President & General Counsel – Life Sciences Omics Solutions Group (Danaher Life Sciences) · Danaher
Ross Allen has been Vice President & General Counsel – Life Sciences Omics Solutions Group (Danaher Life Sciences) at Danaher since December 2025 and also lists Vice President & General Counsel – Integrated DNA Technologies since May 2022. Ross Allen was Associate General Counsel – Cepheid (a Danaher operating company) from 2019 to 2022 and Regional General Counsel, Americas at Align Technology from 2018 to 2019.
Choose the right perspective
Pick the person whose legal area is closest to your question, since M&A, intellectual property litigation, compliance investigations, regulatory compliance and operating company work call for different experience. Check the dates on each role to see how recent the experience is.
Questions to take into the conversation
- 01What kinds of legal questions take most of your time in your current role?
- 02How do you decide which matters you handle in house and which go to outside counsel?
- 03What have you learned from your own work about supporting acquisitions and integrations as in-house counsel?
Reaching Danaher 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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