Benjamin J. Zeskind Ph.D., MBA
Co-Founder, President, Chief Executive Officer, Director
Dr. Zeskind has served as our Co-Founder, President, Chief Executive Officer and a member of our board of directors since February 2008. Dr. Zeskind received his S.B. in electrical engineering and computer science and his Ph.D. in bioengineering from Massachusetts Institute of Technology, or MIT, and his M.B.A. from Harvard Business School, where he was recognized as a Baker Scholar, the highest award for distinction. 
Mallory Morales
Vice President of Finance, Treasurer
Ms. Morales has served as the Company’s Vice President, Finance since May 2021. Prior to joining the Company, Ms. Morales served as Strategic Finance Business Partner at Gilead Sciences, Inc. (“Gilead”), a biopharmaceutical company, from October 2020 to May 2021, where she oversaw the integration of the research and development organization of Immunomedics, Inc. (“Immunomedics”) following its acquisition by Gilead in October 2020. From April 2018 to October 2020, she served as Director and Assistant Controller at Immunomedics, an antibody drug conjugate company, where she oversaw the annual operating budget, forecasting and planning. From May 2014 to April 2018, Ms. Morales held roles of increasing seniority at L’Oréal S.A. (“L’Oréal”), a personal care company, most recently as Director of Finance and Global Brand Controller, L’Oreal Professional Products Division, where she oversaw and managed all financial and accounting functions. Ms. Morales is a CPA and began her career as an auditor for Pricewaterhouse Coopers. She earned her B.S. in Accounting and Business with honors from the State University of New York at Albany.
Scott Barrett M.D.
Chief Medical Officer
Dr. Barrett has served as our Chief Medical Officer since November 2019. Prior to joining us, Dr. Barrett served as the Executive Director of Global Medical Affairs of Incyte Corp, a publicly traded biopharmaceutical company focused on discovery, development and commercialization of proprietary therapeutics in oncology and other areas of interest, from June 2016 until November 2019. Prior to that, he served as the Senior Director of Clinical Development of Infinity Pharmaceuticals, Inc., a publicly traded biopharmaceutical drug development company, from July 2014 until June 2016. Dr. Barrett is a trained physician-scientist, accomplished medical oncologist and a drug discovery and development expert with more than 30 years of clinical and research experience. He received his B.A. in natural science from The Johns Hopkins University as a Beneficial-Hodson Scholarship recipient, his M.D. from the University of Miami School of Medicine and completed his internal medicine residency at the Mayo Clinic in Rochester, Minnesota. Dr. Barrett then went on to complete a fellowship in medical oncology at Memorial Sloan-Kettering Cancer Center and became board-certified in internal medicine and medical oncology.
Brett Hall Ph.D.
Chief Scientific Officer
Dr. Hall has served as our Chief Scientific Officer since November 2019. He also serves as the President, Founder and Chairman of the board of directors of Bioarkive, Inc., or Bioarkive, a privately held biotechnology services company, and President and Founder of Trans Medical Sciences, LLC, a privately held consulting company for biotechnology and biopharmaceutical companies. Prior to joining us, Dr. Hall served as the Chief Executive Officer of Asellus Therapeutics, LLC, a privately held biotechnology company, from July 2015 until May 2018. Dr. Hall served in roles of increasing responsibility with Johnson & Johnson, a multinational corporation that develops medical devices, pharmaceuticals and consumer packaged goods, from November 2008 until July 2014, culminating in his role as the Head of Biomarkers of the Hematologic Disease Area Stronghold, where he led translational efforts for Sylvant® and Imbruvica® through clinical development. Subsequently, he served as the Head of Translational Medicine of Oncology at Medimmune, LLC, the biologics division of AstraZeneca Pharmaceuticals LP, from July 2014 until July 2015, before transitioning to executive discovery roles in biotechnology. He has extensive drug development and leadership experience ranging from early drug discovery through translational clinical sciences, including multiple drug registrations. Dr. Hall has extensively published in the areas of TME and translational sciences, and holds multiple patents for drug pharmacology and discovery. He was also a tenure-track Assistant Professor at Ohio State University where his laboratory focused on the development of human TME-aligned models to better translate preclinical data into the clinic and discover novel biomarkers. Prior to Dr. Hall’s career in life sciences, he served in the United States Air Force and worked as an investment banker. Dr. Hall received his B.S. in biochemistry from Ohio State University, his Ph.D. in immunology and cancer biology from West Virginia University and completed his post-doctoral fellowship in cancer cell epigenetics at St. Jude Children’s Research Hospital.
Michael Bookman J.D.
General Counsel, Secretary
Mr. Bookman has served as our General Counsel and Secretary since July 2021. Prior to joining Immuneering, Mr. Bookman served as General Counsel and Secretary of Frequency Therapeutics from September 2019 to July 2021. In this role, he was a member of the Executive Leadership Team and established and led Frequency’s Legal Department as its first in-house attorney. Mr. Bookman also played a key role in Frequency’s initial public offering in October 2019. Prior to his time at Frequency, Michael was an associate at Latham & Watkins LLP, a leading international law firm where he worked on corporate transactional, securities and general business and governance matters, with an emphasis on representing high-growth technology and life sciences companies.
Leah R. Neufeld
Chief People Officer

Ms. Neufeld joins Immuneering from Luzsana Biotechnology, where, since August 2021, she served as Chief Human Resources Officer, and as part of the executive team, helped establish Luzsana globally as a subsidiary of Hengrui Medicines, the largest Pharma company in China. Previously, she was the Vice President, People, at Prevail Therapeutics, from 2019 and following its acquisition by Eli Lilly in 2021. Prior to that, from 2015 through 2019, Ms. Neufeld was the Head of Human Resources at Intercept Pharmaceuticals. Before that, she was the Global Head of Human Resources for NPS Pharma until it was acquired by Shire Pharmaceuticals in 2015. From 2009 to 2014, she held positions of increasing responsibility at Daiichi Sankyo Pharma Development, most recently serving as Director of Human Resources. Earlier in her career, from 2002 to 2009, she held various human resources positions at Johnson & Johnson, including Manager of Human Resources in the consumer division and its oncology company called Ortho Biotech. Ms. Neufeld earned a B.A. in psychology from the American University and an M.S. in career counseling and organization development from Johns Hopkins University.

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