Board of Directors

Terry R. Knapp, MD


Dr. Knapp, is a Stanford-trained, U.S. board-certified surgeon with a 40-year history of multinational care delivery. He is an accomplished medical device and medical services entrepreneur and corporate executive, co-founder of Collagen Corporation, and several other private and public companies, and has served in numerous executive roles and Board of Director positions. He has authored 15 U.S.-issued and many foreign patents in the field of medical devices and medical information technology, and has written numerous peer-reviewed medical publications, editorials and book chapters. He is former CEO of a publicly traded, diverse medical device and information technology company and was a founding member of the Board of the Bard Center for Entrepreneurship Development at the University of Colorado, Denver.

Rembert de Villa

Rembert assumed the role of Chief Executive Officer of CareSpan Holdings in August 2018.  He joined the CareSpan Board of Directors in December 2017.

Prior to CareSpan, Rembert was Executive Vice-President of EXL Service Holdings, a leading analytics and operations management company, and was Global Business Leader of EXL Healthcare.  He held various leadership roles during his ten years at EXL, including Chief Strategy Officer and Global Head of Transformation (data analytics and operations consulting).  Prior to EXL, Rembert had an outstanding career in management consulting, holding senior leadership roles at Mastercard Advisors, Capgemini Ernst & Young, A.T. Kearney and Andersen Consulting (now Accenture).  He is Senior Adviser to the Philippine-American Chamber of Commerce in New York, where he served as Chairman of the Board for over three years.

David Moss

Mr. Moss received his MBA from Rice University and a B.A. in Economics from the University of CA, San Diego. He was the Business Development Director for the BCM Technologies, Inc. (Baylor College of Medicine) portfolio companies, and a former Managing Partner at a Seattle-based venture capital firm, The Phoenix Partners, where he ran their healthcare portfolio. Currently, Mr. Moss is CFO and co-founder of INmune Bio, (Nasdaq: INMB).

John Reardon

John Reardon joined the CareSpan Holdings board in early 2020 as a strategic advisor. John is an accomplished healthcare executive, entrepreneur and investor working at the forefront of digital health and telemedicine.  For the past 20 years he has produced exceptional outcomes for three Private Equity/Venture Capital funds focused primarily on Digital Health/Tele-Medicine and Technology-Enabled Healthcare Services.  His portfolio includes:  TelaDoc (NYSE: TDOC), Advanced ICU Care, Progeny Health, ArroHealth (acquired by CIOX Health) , Acclaris (acquired by Willis, Towers, Watson NASDAQ: WLTW), HealthMedX (acquired by Netsmart Technologies NASDAQ: NTST)  and Aethon (acquired by OTCMKTS: SGGKF).  Today, John works directly with growth stage digital health companies providing strategy and fund-raising assistance.   John holds an MBA from the Anderson School at the University of California, Los Angeles and holds BS Degrees in History and Economics from Arizona State University.

Holger Micheel Sprenger

Holger Micheel Sprenger, is a Partner and CFO of ICME, a leading management consulting firm with a European outlook and philosophy. Within the last 15 years of experience of consulting in the healthcare sector, Holger has been representing senior management positions in leading German healthcare companies. He also is the Managing Director of ICME Healthcare GmbH. His management skills and expertise includes corporate strategies, interdisciplinary project management, process management and technical management of hospitals. He has held Director level positions in a number of medical industry companies and also served as a Managing Director of a 600-bed hospital. He has been involved in consulting programs at various hospitals around the world regarding, organization and efficiency improvements. Holger established and directs consulting services within ICME at a regional and global level.

Sheila Ryan, Ph.D., R.N., F.A.A.N.

Professor, Charlotte Peck Leinemann and Distinguished Alumni Endowed Chair, and Director of International Programs at the University of Nebraska Medical Center College of Nursing.  Expertise focuses on helping faculty and students expand opportunities with internet-based education, quality improvement of health-care delivery models and international partnerships.  International nursing partner projects are or have been with Jiao Tong University in Shanghai, China, Al-Zaytoonah Private University in Amman, Jordan, and with schools of nursing in Yerevan, Armenia and the Central Asian Republics (CAR).  Dr. Ryan has served as President of NLN, an executive officer for AACN.  Additionally, she has served in leadership roles of several foundation programs: PEW Health Education Commission, RWJ/IOM Health Policy Fellowship Program, Commonwealth Fund for Nurse Executive Fellowships and Macy Foundation for Interprofessional Education.   Dr. Ryan is a member of the Institute of Medicine and a fellow in the American Academy of Nursing and has served on many programs and committees for the past two decades.  She was a nursing dean for 22 years at two universities and has board service with IHI, IBHI and RJW/IOM committees. She was formerly Chair of the Board of AIHA, American International Healthcare Alliance, Chair of the Board For Institute for Behavioral Health Improvement, IBHI, and serves on the board for GEDI, Global Educational Development Institute.