10 Regeneron HR leaders
Vice president of human resources, executive director of human resources and senior director of HR business partnering are among the roles held by these ten Regeneron HR leaders. A reader can learn how HR leaders work at Regeneron from people who have held the role.
Professionals to explore
Ashley Reitemeyer
LinkedInExperience: Sr. Director, HR Business Partner - Global Development · Regeneron
Ashley Reitemeyer has been Sr. Director, HR Business Partner - Global Development at Regeneron since December 2025, based in the United States. At Regeneron, Ashley Reitemeyer was Director, HR Business Partner from 2023 to 2025, Associate Director, HR Business Partner - Global Development from 2022 to 2023 and Sr. Manager, HR Business Partner - Global Development from 2021 to 2022.
Bruno Barbera
LinkedInExperience: Senior Director, HRBP Commercial and HR · Regeneron
Bruno Barbera has been Senior Director, HRBP Commercial and HR at Regeneron since January 2017, based in the New York City area. Bruno Barbera was Human Resources Director/Commercial HRBP at Allergan from 2014 to 2017 and Director, Organization and Talent Development at Forest Laboratories (now Allergan) from 2011 to 2014.
Helen Yan
LinkedInExperience: Senior Director, HR Business Partner · Regeneron
Helen Yan has been Senior Director, HR Business Partner at Regeneron since January 2023, based in Harrison, New York, with a headline naming people strategy for Global Development and HR transformation. At Regeneron, Helen Yan was Director, HR Business Partner from 2021 to 2022 and Director, HR Strategy and Communication from 2018 to 2020, and was Vice President, Head of HR at Sanofi from 2016 to 2017.
Jannik Geissler
LinkedInExperience: HR Director Europe & Canada · Regeneron
Jannik Geissler has been HR Director Europe & Canada at Regeneron since January 2024, based in the Munich area, with a headline of Head HR Europe & Canada at Regeneron. Jannik Geissler was Assoc. Director HR, HR Business Partner International at Regeneron from 2023 to 2024 and Head of Global People Relations Advisory at Roche from 2021 to 2023.
John Mc Grath
LinkedInExperience: Head, International HR · Regeneron
John Mc Grath has been Head, International HR at Regeneron since March 2024, based in Ireland. John Mc Grath was Vice President, Global People & Culture at Advanced Clinical from 2023 to 2024, HR Senior Director - International at Mallinckrodt Pharmaceuticals from 2020 to 2023 and HR Director - International there from 2019 to 2020.
Jose Montes
LinkedInExperience: VP HRBP -Global Development · Regeneron
Jose Montes has been VP HRBP -Global Development at Regeneron since June 2026, based in the New York City area. Jose Montes was Vice President Human Resources at Edgewell Personal Care from 2020 to 2026 and Sr. Director Human Resources there from 2015 to 2020, and was HR Director Americas Operations R&D at Energizer Holdings from 2013 to 2015.
Jude Murphy
LinkedInExperience: Senior Director, HR Business Partner · Regeneron
Jude Murphy has been Senior Director, HR Business Partner at Regeneron since January 2017, based in Albany, New York. Jude Murphy was Human Resources Director at Activision from 2015 to 2017, Director of Human Resources at Capital Region Orthopaedics from 2004 to 2014 and Human Resources Manager at GE from 1993 to 2004.
Karen Osborn
LinkedInExperience: Senior Director, Human Resource Business Partner · Regeneron
Karen Osborn has been Senior Director, Human Resource Business Partner at Regeneron since March 2023, based in Pompton, New Jersey, with a headline of Head of HR, Global HR Business Partner. Karen Osborn was Director, Global HR Business Partner at Novartis from 2016 to 2023 and Director, Human Resources at Ferring Pharmaceuticals from 2015 to 2016.
Kate Phillips
LinkedInExperience: VP, Human Resources · Regeneron
Kate Phillips has been VP, Human Resources at Regeneron since January 2023, based in Rensselaer, New York. At Regeneron, Kate Phillips was Executive Director Human Resources from 2020 to 2023, Senior Director, Human Resources from 2019 to 2022 and Director, Human Resources from 2016 to 2018, and the profile lists skills in employee relations, executive coaching and talent management.
Leslie Cascone Rohrbacker
LinkedInExperience: Executive Director Human Resources · Regeneron
Leslie Cascone Rohrbacker has been Executive Director Human Resources at Regeneron since November 2024, based in the New York City area. Leslie Cascone Rohrbacker was a Partner at Boyden from 2023 to 2024 and Chief Human Resources and People Officer at Fragomen from 2013 to 2021, and has been Board Chair at Embrace Global since 2021.
Choose the right perspective
Match the person's scope, such as research and development, commercial teams or international sites, to the HR decision you face. Check when each person started the current role to judge how recent the experience is.
Questions to take into the conversation
- 01What did you focus on first when you stepped into your current HR role?
- 02How do you decide when an HR practice should be the same for everyone and when it should differ by team?
- 03What has your own work taught you about partnering with business leaders on people decisions?
Reaching Regeneron HR leaders
How can I contact one of these Regeneron HR 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: Regeneron, based on profile data retrieved on October 23, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Regeneron HR leaders?
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Can an AI agent ask one of these Regeneron HR 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.
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