Prospero Health Press Release

Prospero Health Appoints Bill Kayser as Chief Financial Officer and Robert Machen as Chief Information Officer

Home-based medical care company continues to build a deep management team

Boston, MA – Prospero Health, a physician-led home-based medical care provider that supports over 15,000 people facing serious illness, recently announced the hiring of two executive leaders: Bill Kayser as Chief Financial Officer and Robert Machen as Chief Information Officer. Kayser and Machen join an expanding team – nearly 700 overall – that supports patients across 26 states with an innovative care model that combines in-home medical care with enhanced virtual capabilities and 24/7 support for people living with serious illness.

“Adding Bill and Robert to the Prospero family was a significant step for our young company,” said Doug Wenners, co-Founder and Chief Executive Officer of Prospero. “In order to serve more patients and their families across the United States, we prioritized strengthening our finance and technology teams. The expertise Bill and Robert bring in their respective fields has been invaluable and even more importantly, they both embrace the responsibility that everything we do is in service to people in our care.”

Bill Kayser, Chief Financial Officer

A former Lieutenant in the United States Navy who served for eight years as an Instructor Pilot and Mission Commander, Bill Kayser’s most recent role prior to Prospero was Vice President, Mergers & Acquisitions, Corporate Strategy and Business Development for McKesson Corporation. During his time with McKesson, Kayser led acquisition, divestiture, and investment activity across the McKesson platform. Prior to joining McKesson, Kayser spent eight years as an investment banker focused exclusively on the healthcare industry at Goldman Sachs and Harris Williams, where he advised clients on a broad scope of corporate finance, capital markets and M&A engagements.    

A graduate of the United States Naval Academy in Annapolis, Maryland, where he earned a Bachelor of Science in Ocean Engineering, Kayser also earned a Master of Arts in National Security and Strategic Planning from the United States Naval War College in Newport, RI. Before beginning with Goldman Sachs, Kayser earned a Master of Business Administration from the University of Virginia’s Darden School of Business.

“I am proud to lead the financial activities for a company that aligns so closely with my personal values,” said Kayser, who is also active in community issues relating to hunger and veteran’s affairs. “Our clinical teammates are providing extraordinary medical care from coast to coast and those of us on the financial side are honored to support those efforts. This is an exciting time to be a part of Prospero.”

Robert Machen, Chief Information Officer

A global technology leader whose experience includes healthcare, hospitality, and finance, Robert Machen’s focus at Prospero is on strategically leading its technology teams, guiding short-term execution and long-range planning in support of the company’s objectives and delivery of care. 

A graduate of Harding University, Machen is based out of Prospero’s Memphis, Tennessee location.  Machen recently served as the Chief Operating Officer of ALSAC/St. Jude Children’s Research Hospital in Memphis, leading its digital transformation and global expansion. Machen joined ALSAC/St. Jude as its Chief Information Officer in 2010 and enabled unprecedented growth by modernizing and scaling its technology. 

Prior to ALSCAC/St. Jude, Machen was an executive at Hilton Hotels Corporation, responsible for technology strategy, operations, and research & development. Before leaving Hilton, he was part of a small team of executives that led a global business transformation designed to streamline operations and reduce costs while improving customer service.

“I came to Prospero from St. Jude, an organization with such a compelling mission that I never thought I would find another place where mission was so important. But I have found that place in Prospero,” Machen said. “Here I have the opportunity to provide technology solutions that help patients in some of the most delicate of circumstances. And at the same time we are bringing about a new era in healthcare through digital transformation and using technology to re-define patient-centered care for the elderly. I am humbled to help meet that challenge.” 

About Prospero Health

Founded in 2019, Prospero is a home-based medical care provider that empowers people facing serious illness to remain safely at home. Our physician-led care teams provide both in-person and virtual care at scheduled appointments and when unexpected needs arise–day or night. Prospero’s multi-disciplinary teams of doctors, nurse practitioners, nurses, and social workers meet people in the home to learn their story, understand how they want the next chapters of life to look, and build trust. Prospero builds comprehensive care plans around the individualized and often complex needs of the patients we serve, and their families. For more information, please visit   

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