Leadership Team
Raphael Anstey
Chief Executive Officer
& Co-Founder
Michalis Antoniou
Director of Engineering
& Co-Founder
Richard Markham, CISSP, CCSP, CHFI
Corporate Security Officer
Ethan Roney
Director of Operations
Daniel Denig
Director of Strategic Partnerships
Abigail Roaquin, BSN, RN
Nurse Operations
Annie Murphy
Sr. Customer Success Manager
Zach Maassen
Sr. Customer Success Manager
Nicole Saidai
Sr. Operations Manager
Sara Craft
Human Resources Manager
Kash Ehsan
Product Designer
Our Clinical Advisors
Gregory Taylor II, MD
Scott Schissel, MD, PHD
Ronald Pion, MD
Ronald Pion, MD
Dr. Pion is a clinical professor at UCLA Medical School and has been involved in interactive electronic programming for health care professionals and patients for 40+ years, including the pioneering of television- and radio-based patient education programs. He’s particularly focused on patient education and disease prevention. He was also recently named to the inaugural list of 50+ Innovation Leaders by the AARP for his creative solutions for those 50 and older.
Gregory Taylor II, MD
Dr. Taylor is the Medical Director and an Asst. Professor at Keck Medicine-USC. An internal medicine physician with a sub-specialty in geriatrics, he works with patients in the areas of wellness, hypertension, diabetes, cholesterol, memory loss and falls. He is the recipient of the Dr. Marvis S. Thompson Award for Excellence in Geriatrics, and was named the 2008 Erickson/HRSA Fellow for Leadership, among other awards.
Scott Schissel, MD, PHD
Dr. Schissel is chief of medicine at Brigham and Women’s Faulkner Hospital and a part-time instructor at Harvard Medical School. He is board certified in critical care medicine, internal medicine and pulmonary disease, has authored over 20 peer-reviewed publications and has been named to the annual list of the Best Doctors in America.
Abigail Roaquin, BSN, RN
Abby brings over 22 years of combined experience in telehealth, healthcare informatics, population health, and managed care. She specializes in managing high-risk, high-cost Medicare populations using the Chronic Care Model, improving patient outcomes, and regulatory compliance. She’s also a mom of 2 young girls and you’ll find her driving around in a minivan when she’s not at work.
Annie Murphy
Annie brings 4 years’ healthcare Customer Success experience to CircleLink. At SmartPractice, she independently managed ~2,000 U.S. accounts, while building out CS processes from scratch. She’s passionate about creating trusting relationships with customers and improving their experience. With a background as a graduate teaching assistant, she excels at continually educating customers and their patients. Outside of work, Annie enjoys spending time with her fiancé and cat, staying active, traveling, and local cuisine.
Daniel Denig
Daniel has over 10 years of sales experience, including the last 2 years in tech sales at Cleo. There, he ranked #1 for all SDRs for opportunities created and qualified pipeline. He’s excited to bring his sales acumen to preventive care. Outside of work he enjoys kayaking, running, snowboarding and skiing.
Ethan Roney
Ethan was previously Operations Manager at Nomad Health, a marketplace for per diem clinicians and health systems. There he managed over 150 Registered Nurses personally while being quickly promoted. He has a passion for helping people and finding solutions to complex problems while improving processes whenever possible. When he is not working, Ethan can be found playing soccer, cooking and staying active.
Kash Ehsan
Kash focuses on untangling the complex experiences far too common in US healthcare. She most recently worked as the sole designer at Ayana Therapy, a tele-therapy service focused on persons of color, where she redesigned the entire patient experience. Prior to that, she was a management consultant at Deloitte. She is passionate about health and wellness, sustainability, and creating a more delightful future for all. Outside work, you’ll find her making her own granola, searching for tacos, or dog-sitting.
Michalis Antoniou
Michalis has a passion for building useful software that solves real world problems and is always excited to expand his skillset. He also plays bass.
Nicole Saidai
Nicole has an extensive history in customer relations and training. Before her last position at Hyatt, she was quickly promoted from a server at Giordano’s to multiple levels of management, where her training procedures were adapted company-wide. Along the way she grew the catering business 40X, and improved employee satisfaction and retention. When Nicole is not at work she is spending time with her family, traveling, and learning new crafts.
Raphael Anstey
Raph is a recent mHealth Summit speaker and award-winning builder in the digital health space. He also brings 8 years of finance and technology experience to CircleLink Health, including 4 years in software-based algorithmic trading and 3 years in investment banking at Lazard (20+ growth deals closed). Outside work he enjoys surfing and playing music.
Richard Markham, CISSP, CCSP, CHFI
Richard has over 12 years in the IT security and regulatory compliance field for the healthcare and finance industries. Previous postitions included CIO of a bond portfolio management firm in NYC.
Sara Craft
Sara joins the team after two years in Human Resources for retail. Specifically, she landed a store management position at Target where she quickly found her passion for recruiting, developing, and helping others. Sara has a love for the ever-changing role of Human Resources. Outside of work Sara can be found gardening, running, or baking her famous chocolate chip cookies!
Zach Maassen
Zach’s last 3 years have been spent working in sales and business development for companies focused on disrupting the HR and predictive analytics verticals. He brings experience around creative outreach strategies and customer relationship development to the team. When not at work he enjoys cooking, playing hockey and live music.