Management Team


Gil Van Bokkelen, PhD, Founder, Chairman and CEO

Dr. Van Bokkelen has served as our Chief Executive Officer and Chairman since August 2000. Dr. Van Bokkelen co-founded Athersys in 1995 and has served as Chief Executive Officer and Director since the Company’s founding. Prior to May 2006, he also served as the Company’s President. Dr. Van Bokkelen is also the Chairman of the Board of Governors for the National Center for Regenerative Medicine. He served as the Chairman of the Alliance for Regenerative Medicine from 2010 through 2012, a Washington D.C. based consortium of companies, patient advocacy groups, disease foundations, and clinical and research institutions that are committed to the advancement of the field of regenerative medicine and served ex officio from 2013 to 2014. He has served on several other boards, including the Biotechnology Industry Organization’s ECS board of directors (from 2001 to 2004, and from 2008 to present). He received his Ph.D. in Genetics from Stanford University School of Medicine, his B.A. in Economics from the University of California at Berkeley, and his B.A. in Molecular Biology from the University of California at Berkeley.


John Harrington, PhD, Executive Vice President and Chief Scientific Officer

Dr. Harrington co-founded Athersys in 1995 and has served as our Chief Scientific Officer, Executive Vice President and Director since our founding. Dr. Harrington led the development of the RAGE® technology, as well as its application for gene discovery, drug discovery and commercial protein production applications. He is a listed inventor on over 20 issued or pending United States patents, has authored numerous scientific publications, and has received numerous awards for his work, including being named one of the top international young scientists by MIT Technology Review in 2002. Dr. Harrington has overseen the therapeutic product development programs at Athersys since their inception and is also focused on the clinical development and manufacturing of MultiStem®. During his career, he has also held positions at Amgen and Scripps Clinic. He received his B.A. in Biochemistry and Cell Biology from the University of California at San Diego and his Ph.D. in Cancer Biology from Stanford University School of Medicine.


William (B.J.) Lehmann, JD, President and Chief Operating Officer

Mr. Lehmann joined Athersys in September 2001 and has served as our President and Chief Operating Officer since June 2006. Prior to that time, Mr. Lehmann was Athersys’ Executive Vice President of Corporate Development and Finance from August 2002 until June 2006, when he became Athersys’ President and Chief Operating Officer. From 1994 to 2001, Mr. Lehmann was with McKinsey & Company, Inc., an international management consulting firm, where he worked extensively with new technology and service-based businesses in the firm’s Business Building practice. Prior to joining McKinsey, he worked at Wilson, Sonsini, Goodrich & Rosati, a Silicon Valley law firm, and worked with First Chicago Corporation, a financial institution. Mr. Lehmann received his J.D. from Stanford University, his M.B.A. from the University of Chicago, and his B.A. from the University of Notre Dame.


Ivor Macleod, MBA, CPA, Chief Financial Officer

Mr. Macleod has served as our Chief Financial Officer since late January 2020. He has over three decades of experience across all aspects of the life sciences value chain from basic research to commercialization both in Europe and the U.S. Prior to joining Athersys, Mr. Macleod served as Chief Financial Officer and Chief Compliance Officer at Eisai Inc., the U.S. subsidiary of the Japanese company Eisai Ltd. He has held key financial leadership positions at Merck and Co., Boehringer Mannheim Therapeutics and F. Hoffmann-La Roche where he served as Chief Financial Officer of North America for ten years. Mr. Macleod holds a Bachelor of Science from the University of St. Andrews in Scotland, an MBA from the University of Arizona and is a Certified Public Accountant (CPA), licensed in Virginia.


Greg Liposky, MBA, Senior Vice President Commercial Manufacturing

Mr. Liposky joined Athersys in 2018 as Senior Vice President of Commercial Manufacturing. In his role, Mr. Liposky is responsible for providing oversight for clinical manufacturing of MultiStem® cell therapy and establishing the long-term strategic plan for commercial manufacturing of the product. Mr. Liposky has over 35 years of experience in biotherapeutic protein process development and manufacturing on both a clinical and commercial level.

Prior to joining Athersys, Mr. Liposky served as Vice President of Technical Operations for Mallinckrodt Pharmaceuticals where he led technical support of its Autoimmune and Rare Disease product portfolio. Before joining Mallinckrodt, Mr. Liposky served as Vice President of Contract Manufacturing for Questcor Pharmaceuticals where he managed the supply chain for Questcor’s lead product, H.P. Acthar® Gel. Before his tenure at Questcor, Mr. Liposky was Vice President and General Manager for MedImmune, a division of AstraZeneca. In this position, Mr. Liposky was responsible for the management of MedImmune’s large-scale mammalian cell culture manufacturing facility supporting clinical manufacturing of MedImmune’s pipeline product, as well as the commercial supply of AstraZeneca’s key therapeutic monoclonal antibodies, Synagis®. Prior to that role, Mr. Liposky was responsible for the commissioning, validation and licensure of MedImmune’s large-scale mammalian cell culture manufacturing plant. Mr. Liposky also served as Senior Vice President of Operations for GTC BioTherapeutics where he led all Operations and Quality functions for the organization and was responsible for overseeing the Business Development function as a senior member of the management team involved in various product development partnerships. Further, Mr. Liposky has held positions of increasing responsibility at Creative BioMolecules, Verax Corporation and Worthington Biochemical.


Maia Hansen, MBA, MS, Senior Vice President and Head of Operations and Supply Chain

Ms. Hansen joined Athersys in 2020 as Senior Vice President of Operations and Supply Chain. Ms. Hansen is responsible for establishing and managing a sustainable supply chain built to enable reliable, cost-effective and best in class commercial manufacturing and product distribution capabilities to support commercial success. Hansen has extensive operations and supply chain experience in the pharmaceutical, medical device and consumer health sectors. Prior to joining Athersys, Ms. Hansen was a Senior Partner at McKinsey & Company, a global management consulting firm. She worked with clients around the world to develop and optimize end-to-end operations and global supply chains. Her work included the development of operations and supply chain strategy, capability building, manufacturing optimization, go-to-market effectiveness, and digital and analytics. She was a leader within McKinsey’s Operations practice and led the operations transformation and capability building service line to ensure impact across large-scale operations. In addition, Ms. Hansen served as the Managing Partner of McKinsey’s Cleveland office.

Ms. Hansen served as a Lieutenant with the United States Navy and holds two Bachelor of Science degrees, a Master of Science degree, and a Master of Business Administration, all received from the Massachusetts Institute of Technology.


Laura K. Campbell, CPA, Senior Vice President of Finance

Ms. Campbell joined Athersys in January 1998 and has served as our Senior Vice President of Finance since March 2016. Ms. Campbell served as our Controller from January 1998, followed by Director of Finance and Senior Director of Finance, and then served as our Vice President of Finance from June 2006 until March 2016. Prior to joining Athersys, she was at Ernst & Young LLP, a public accounting firm, for eleven years in the firm’s audit practice. During her tenure with Ernst & Young LLP, Ms. Campbell specialized in entrepreneurial services and the biotechnology industry sector and participated in several initial public offerings. Ms. Campbell received her B.S., with distinction, in Business Administration from The Ohio State University and is a certified public accountant.


Manal Morsy, MD, PhD, Senior Vice President and Head of Global Regulatory Affairs

Dr. Morsy joined Athersys in 2013 as Vice President and Head of Global Regulatory Affairs and has served as our Senior Vice President and Head of Global Regulatory Affairs since September 2016. She is responsible for the global regulatory activities for the Company’s therapeutic programs, including its MultiStem® cell therapy. Prior to joining Athersys, Dr. Morsy served as Vice President at PTC Therapeutics, Inc. since 2007 where she led global regulatory affairs, developed the company’s regulatory capabilities and was responsible for regulatory activities for multiple programs in several therapeutic areas, including the programs for treatment of Duchene muscular dystrophy and cystic fibrosis using Ataluren, the company’s lead product candidate. Prior to joining PTC, Dr. Morsy spent three years at Tibotec / J&J, serving as Senior Director, Global Regulatory Affairs, where she was responsible for global regulatory activities for the company’s pediatric development programs, the tuberculosis and the HIV (Prezista) programs. Previous to her tenure at Tibotec, Dr. Morsy served as Director of Worldwide Regulatory Affairs for Merck & Co., where she led and supported new regulatory filings in the US and abroad, as well as supplemental filings for previously approved products. Dr. Morsy received her MD degree from the University of Alexandria, Faculty of Medicine, Egypt; her PhD from the Eastern Virginia Medical School/Old Dominion University in Norfolk, VA; and her MBA from the LeBow Business School, Drexel University in Philadelphia, PA. Dr. Morsy has several scientific publications and reviews in peer reviewed journals, including Nature Biotechnology, The Journal of Clinical Investigation (JCI), Proceedings of the National Academy of Sciences (PNAS), The Journal of the American Medical Association (JAMA), and Annual Review of Medicine (ARM).


Robert (Willie) Mays, PhD, Vice President of Regenerative Medicine and Head of Neuroscience Programs

Dr. Mays is the Vice President of Regenerative Medicine and Head of Neuroscience Programs at Athersys, Inc. He is focused on the Company’s novel adult stem cell product, MultiStem®, and its applications in Regenerative Medicine and drug discovery, with a specific focus on injuries and diseases affecting the central nervous system. Dr. Mays is a member of the National Center for Regenerative Medicine, Center for Stem Cell and Regenerative Medicine, the American Heart Association and is an Adjunct Professor at the Case Western Reserve University School of Medicine. He has authored or co-authored over thirty peer reviewed scientific papers or reviews and is the inventor of more than fifteen patents relating to the use of stem cells for treating disease. Dr. Mays is on the Board of Directors for the United Cerebral Palsy Foundation of Cleveland and the scientific advisory board for the Children’s Neurobiological Solutions Network in Los Angeles. He graduated from Carnegie Mellon in 1987 with a B.S. in Cell and Developmental Biology. In 1994, he received his Ph.D. in Molecular and Cellular Physiology at Stanford University. After doing Post-doctoral research at the University of Utrecht in the Netherlands, the Weizmann Institute in Rehovot Israel and the University of California, San Francisco, Dr. Mays co-founded Athersys, Inc.


Anthony Ting, PhD, Vice President of Regenerative Medicine and Head of Cardiopulmonary Programs

Dr. Ting joined Athersys in 2001 as a Senior Scientist and has been promoted over this fifteen-year tenure at the Company, where he currently serves as Vice President of Regenerative Medicine and Head of Cardiopulmonary Programs. With more than thirty years of experience in cell and stem cell biology, Dr. Ting has developed expertise in translational clinical studies with adult stem cell therapies and has been responsible for all stages of the development of MultiStem® from the bench to the bedside. Dr. Ting manages all programs in the cardiovascular and pulmonary areas at the Company, as well as the evaluation of potential new uses for the cell therapy product. Dr. Ting serves on several regenerative medicine society committees including the International Society for Cell Therapy and the Alliance for Regenerative Medicine. From 1995 to 2001, Dr. Ting was a Principal Investigator and Head of the Screening for Novel Inhibitors group at the Institute of Molecular and Cell Biology (IMCB) at the National University of Singapore, where he established a multi-disciplinary group that focused on the identification of therapeutic targets and the development and implementation of high-throughput screens. Prior to joining IMCB, he was a post-doctoral fellow with Richard Scheller in the department of Molecular and Cellular Physiology at Stanford University. Dr. Ting received his Ph.D. in Cell Biology from Johns Hopkins University and his B.A. in Biology from Amherst College.


Rakesh Ramachandran, MS, Vice President and Head of Information Technology and Communications

Mr. Ramachandran joined Athersys in 1997. He has served as Vice President and Head of Information Technology and Communications since January of 2017. He previously served as Director of Software Development and then as Director and Senior Director of IT and Communications.

Mr. Ramachandran received a BTech degree in Computer Science and Engineering from the Cochin University of Science and Technology, India and a MS in Computer Science from Case Western Reserve University, Cleveland.


Eric Jenkins, MD, Senior Medical Director and Head of Clinical Operations

Dr. Jenkins rejoined Athersys as Medical Director in 2016, where he is responsible for medical oversight of all clinical development activities. With 20 years of clinical experience, he contributes medical expertise to the Company’s long-term strategic planning and serves as the medically-informed voice for external communications with clinical investigators, regulators, key opinion-leaders and patient communities. In addition, Dr. Jenkins currently leads the pre-commercial medical affairs activities, including preparation for market access, coding and reimbursement for MultiStem® cell therapy products following approval.

Prior to joining Athersys, Dr. Jenkins served as Medical Officer at the U.S. Centers for Disease Control and Prevention, Emergency Operations Center on the Ebola and Zika virus emergency responses, and as a consultant Clinical Advisor to WHO in Sierra Leone during the 2014/2015 West Africa Ebola outbreak. He continues to serve his community as a practicing emergency physician and as a helicopter EMS physician for a major regional trauma system. As a trustee board member of a local and regional hospital, he currently serves on the Executive Leadership Committees and chairs the Hospitals’ Board Quality and Credentialing Committees.

Dr. Jenkins earned a B.A. at Oberlin College and his M.D. at Case Western Reserve University and completed post-graduate physician training at University of Massachusetts Medical Center and University Hospitals, Cleveland Medical Center.


Karen Hunady, MS, Director of Corporate Communications and Investor Relations

Ms. Hunady initially joined Athersys in August of 1999 as a research scientist. Through the years, Ms. Hunady transitioned to different research departments as the Company’s focus shifted toward the emerging field of regenerative medicine. In 2012, she began applying her graphic design and video production skills on Company specific projects and initiatives, and over time she transitioned into her current role as Director of Corporate Communications and Investor Relations. Ms. Hunady manages external and internal communications for the Company and is passionate about building and maintaining relationships with the investor, patient and healthcare communities, as well as the media. Ms. Hunady received her Bachelor of Science degree from Bowling Green State University and her Master of Science degree from the University of North Carolina at Wilmington.