David R. Green

President & Chief Executive Officer

David Green, has more than 30 years of experience in the blood services industry. As president and CEO, Green is responsible for Vitalant’s overall organizational strategy and success in service to its mission. Before being named president & CEO in 2017, Green led Vitalant’s blood services division, was president and CEO of Mississippi Valley Regional Blood Center and served in various leadership roles with the American Red Cross. He also served as chairperson of Blood Centers of America, and president of America’s Blood Centers and AABB. He is an Army veteran and received a bachelor’s degree from Knox College and a master's degree from Central Michigan University.

Mary Beth Bassett

Executive Vice President & Chief Quality Officer

Mary Beth Bassett has worked in the blood services and health care industry for more than 40 years. As chief quality officer, Bassett is responsible for Vitalant’s quality and regulatory compliance program, helping to ensure the safest possible blood products for patients. Before joining Vitalant in 1996, Bassett was president of the Gateway Community Blood Program and CEO of the St. Louis American Red Cross National Testing Laboratory. She has also served as president of AABB. Bassett has a Bachelor of Science in microbiology from South Dakota State University and a medical technology degree from St. Joseph Hospital School of Medical Technology.

Anthony Bobos

Executive Vice President & Chief Information Officer

Anthony Bobos joined Vitalant in 2017 with more than 30 years of information technology and program implementation experience. Before joining Vitalant, he served in chief information, chief security and chief technology officer roles at multiple healthcare organizations where he oversaw strategic technology transformations. Bobos served in leadership roles at Aurora Diagnostics, Versiti, Click Commerce, Inc., Tribune Media Company and System Software Associates, Inc. He earned a Bachelor of Science degree from Saint Joseph’s College and a Master of Business Administration from the University of Wisconsin Milwaukee.

Linda Matthews

President, BioCare

Linda Matthews joined BioCare, a Vitalant subsidiary, in 2001. BioCare delivers therapeutic biologicals such as albumin, coagulation factors and Rh immune globulin to hospitals, clinics and physician offices. As president, she cultivates a culture that is steeped in customer and patient centricity, which includes high-touch and highly responsive customer service. Matthews has a Bachelor of Science in finance from the University of North Carolina, Chapel Hill and a Master of Business Administration from Emory University.

Peter Michaelson

Executive Vice President & Chief People Officer

Peter Michaelson joined Vitalant in 2014 and leads the human resources team to inspire a culture of care and comfort for all employees. He is responsible for Vitalant’s total rewards program, inclusive of benefits, compensation, wellness and PTO; talent acquisition; organizational development and succession planning; diversity, equity and inclusion; and labor and employee relations. Before joining Vitalant, he held human resources leadership positions with Sonora Quest Laboratories and Medco Health Solutions. Michaelson has a bachelor's degree in business and human resources management from Utah State University.

Maureen Musselman

Executive Vice President & Chief Financial Officer

Maureen Musselman joined Vitalant in 2020, bringing more than 25 years of diverse financial leadership experience, including many years with American Express, and most recently in an executive leadership role with a large Phoenix-based nonprofit. As CFO, she directs the organization’s financial strategies and oversees the accounting and finance functions, risk management, supply chain, and internal audit. Musselman holds a bachelor’s degree in accountancy from Arizona State University and a Master of Business Administration from Columbia Business School in New York.

Bhavi Shah

Executive Vice President, Cheif Legal Officer, General Counsel and Assistant Secretary

Bhavi Shah joined Vitalant in 2014 and oversees the legal, compliance and risk management departments for Vitalant and its affiliates. Shah provides counsel to the executives and governing boards regarding mergers and acquisitions, corporate governance, strategy, employment practices, regulatory compliance, risk management, intellectual property and litigation. Before joining Vitalant, Shah served as assistant general counsel at Phoenix Children's Hospital, associate counsel at Cold Stone Creamery and worked at the law firm of Snell & Wilmer, LLP. She received her law degree from the University of Kansas School of Law and belongs to the American Health Lawyers Association, the Association of Corporate Counsel and the Arizona Association of Corporate Counsel.

Rob Van Tuyle

President, Blood Services

Rob Van Tuyle joined Vitalant in 2017. As president of Vitalant’s Blood Services Division, he is responsible for all aspects of operations, including donor recruitment, blood collections, manufacturing and hospital distributions. Prior to this role, Van Tuyle led Vitalant’s West Division and served as CFO and then president and CEO of BloodSource. A certified public accountant, Van Tuyle has more than 20 years of experience in executive management and has served on the boards of America’s Blood Centers, the International Plasma Fractionation Association, and the National Blood Foundation, among others. He holds a bachelor's degree in accounting from the University of Santa Clara.

Dirk Johnson

Executive Vice President & Chief of Staff

Dirk Johnson joined Vitalant in 2016. As chief of staff, he provides leadership support for operations, supply chain, facilities and special projects. Prior to this role, Johnson held executive leadership positions within operations and led Vitalant’s Southwest Division. Before joining Vitalant, Johnson held executive roles with QualTex Laboratories and BloodSource. He has also served as past president of the California Blood Banking Society, and board member for America’s Blood Centers and Blood Centers of America. He earned a bachelor's degree from California State University, Chico, and a Master of Business Administration from the University of Phoenix.

Cliff Numark

Chief of Marketing & Senior Vice President of Donor Services

Cliff Numark joined Vitalant in 2019 and is responsible for corporate marketing and communications, blood donor outreach and blood collection processes, to ensure hospitals have the products they need to help patients. Prior to joining Vitalant, Cliff led blood operations in local, regional and national roles for more than 16 years at the American Red Cross, after working in business consulting and public affairs. Cliff received a law degree from UC Berkeley, Master in Public Affairs from Princeton University, Master of Science from the University of Sussex in the United Kingdom, and Bachelor of Arts, magna cum laude, from Pomona College in Chemistry and Public Policy.

Michelle M. Robinson

Senior Vice President of Strategic Planning and Business Development

Michelle M. Robinson joined Vitalant in 2021 and is responsible for healthcare partnership development, helping to further position Vitalant to meet transfusion medicine needs of hospitals and their patients into the future. Prior to joining Vitalant, Robinson led the South Chicago Patient Service Area at Advocate Aurora Health, was president of Heartland Blood Centers (now Versiti), was a global marketing leader with Baxter Healthcare, and was a global operational leader for GE Healthcare. An active community leader, Robinson serves on several nonprofit boards. She holds a bachelor’s degree in Industrial Engineering from Purdue University and an Executive Master of Business Administration from Kellogg Northwestern University.

Ralph R. Vassallo Jr., M.D.

Executive Vice President, Chief Medical & Scientific Officer

Dr. Ralph Vassallo oversees medical direction in the areas of donor suitability and donor care, the clinical services and consultation we provide to hospitals and initiatives at Vitalant Research Institute. Previously, Dr. Vassallo was the chief medical officer of the American Red Cross Blood Services’ East Division, having served in various Red Cross medical leadership roles for 12 years. He received his bachelor’s and medical degrees from the University of Pennsylvania. He completed a residency in internal medicine and a fellowship in hematology/oncology at the Hospital of the University of Pennsylvania.

Michael P. Busch, M.D., Ph.D.

Senior Vice President, Research & Scientific Affairs; Director, Vitalant Research Institute

Dr, Michael Busch joined Vitalant in 1999 and is one of the world’s leading transfusion medicine scientists, having led many large studies and participated in over 600 publications primarily related to transfusion transmissible infectious diseases and ground-breaking research protecting the U.S. and global blood supply from emerging pathogens. He is the founding director of Vitalant Research Institute, which focuses on blood transfusion efficacy and blood product safety. Before joining Vitalant, Dr. Busch was the scientific director of Irwin Blood Bank and Blood Centers of the Pacific. Dr. Busch is a member of the transfusion transmitted diseases committee of AABB, the research and development advisory committee of Canadian Blood Services, and several World Health Organization panels. He is also president-elect of the International Society of Blood Transfusions, after serving as chair of its transfusion transmitted infectious disease committee for the past 10 years. He received his medical degree and his Ph.D. from the University of Southern California and completed his residency and fellowship training in pathology, laboratory medicine and transfusion medicine at the University of California, San Francisco.