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Meet Our Team

Proudly Serving Our Community

In partnership with generous people like you, we dedicate ourselves to the great purpose of healing and enriching lives in Central Florida and beyond. As we’ve adapted with the changing times, our mission has remained a constant—to extend the healing ministry of Christ. Walk a hospital corridor or enter a treatment area, and you will see we celebrate generosity. We create excellence through partnerships with thousands of generous people who give in different ways. Your generous support allows us to continue on our journey to excellence and makes a meaningful difference in the countless lives we touch each day.

More About our Foundation Leadership

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David Collis, President

David Collis, President of AdventHealth Foundation, has spent more than 20 years working with nonprofit organizations to help advance their missions through effective fundraising. In 1997, David joined the development team at Rollins College during their $100 million fundraising campaign, which ended in 2001 with more than $160 million in overall commitments. In 2005, he began a career as an independent fundraising consultant, working with clients such as AdventHealth, The Amazon Conservation Team and Habitat for Humanity Orlando.

We welcomed David in 2009 as Chief Development Officer, and he helped lead a successful $150 million fundraising campaign for the hospital. In 2017, David began his current role as President of AdventHealth Foundation Central Florida. He oversees seven Foundation Boards and is a member of the Health System Philanthropy Leadership Group, comprised of 15 Foundation Presidents from large health care systems from across the nation who are dedicated to advancing best practices in the industry. David’s favorite part of his work is helping donors match their passion to help others with opportunities that can change lives. He sees philanthropy as one of the most meaningful investments people can make in their lifetimes.

David graduated cum laude from Rollins College with a Bachelor of Arts and received his master’s degree from Georgetown University. He is married with two children.

Robert Wahlers, Vice President

Robert Wahlers is our Vice President of Philanthropy where he is leading fundraising efforts for Cancer Care. Prior to AdventHealth, Robert was the Vice President of Development for Meridian Health Affiliated Foundations where he oversaw the gift planning, annual giving and grant development programs for the eight hospitals in the Hackensack Meridian Health System. Robert has over 27 years of experience in fundraising, including working for Virtua Foundation, the American Cancer Society and the Boy Scouts of America. Robert is the author of three books on charitable gift planning and won the AFP Skystone Partners Research Award for his book titled, The Philanthropic Planning Companion. Robert says that the mission and the positive, empathetic team at AdventHealth is what he enjoys most about working here.

Jennifer McGreevy, Vice President

Jennifer McGreevy serves as a Vice President within the AdventHealth Foundation and manages philanthropy efforts within the Children’s Hospital.  An accomplished fundraising leader with over 25 year of experience she spent the last decade leading Cleveland Clinic Florida’s advancement programs, greatly expanding philanthropic support for their tertiary and quaternary care, research and education.   Prior to that she worked in education philanthropy as the Director of Annual Giving at Mount Saint Mary’s University and she successfully led capital campaigns at two different private secondary schools in Maryland.  Jennifer also served as Director of Donor Relations and Special Events at Suburban Hospital, a Johns Hopkins and NIH affiliate located just outside of Washington DC. 


Jennifer has an undergraduate degree from Hood College in Frederick, MD and a master’s in business administration from Mount Saint Mary’s University.  She is passionate about healthcare philanthropy and the meaningful impact grateful individual have on the future of medicine and the lives of patient.  Jennifer and her husband have two daughters, one attending university in New York and one in California.

Tom Kapusta, Assistant Vice President

Tom Kapusta is our Assistant Vice President and Certified Specialist in Planned Giving (CSPG).   Tom has proudly served the Seventh-day Adventist Church for over forty years.  Prior to AdventHealth, he directed the Planned Giving and Trust Services program for the Southern Union Conference of Seventh-day Adventists, an eight-state area in the Southeastern United States. 

Tom’s ability to make friends with his donors and his technical skills in working with advanced planned giving techniques has provided the opportunity for multi-millions in charitable gifts and lifetime income to satisfied donors.   He is a board member of the Central Florida Estate Planning Council, the Philanthropic Advisors Council of Central Florida and a member of the National Association of Charitable Gift Planners.   

Tom was awarded the Certified Specialist in Planned Giving (CSPG) designation from the American Institute for Philanthropic Studies, California State University.  Tom honorably served his country in the United States Air Force under the Strategic Air Command.  He enjoys spending time with his wife of       50 years, his two sons, and granddaughters.


Roel Yambao, Chief Operating Officer

Roel Yambao began his career at AdventHealth in 2006 at our East Orlando campus as a corporate development coordinator. After seeing the impact and efforts of what the Foundation was accomplishing around the community, Roel felt called to work here.

As our Chief Operation Officer, Roel oversees the support and operational functions of the Foundation. On the support side, Roel manages the events, marketing and finance teams. His sharp focus helps our processes become more efficient through benchmarking, policy and procedures.

Originally from South Florida, Roel moved to Orlando to attend the University of Central Florida. After receiving a bachelor’s in health sciences, he went on to attain his master’s degree in Health Administration in 2004. Roel enjoys spending his time with his wife and two daughters. He enjoys an active lifestyle and traveling with his family.

Rebecca Becker, Director of Donor Relations

Rebecca (Becky) Becker is Director of Donor Relations at AdventHealth Foundation Central Florida. After moving to Florida in 2005, Becky joined AdventHealth Foundation to help build the Donor Relations Department. Prior to the Foundation, Becky taught high school English and Business Education for more than 15 years and was the Director of Alumni and Development at Andrews Academy, a private high school in Michigan.

Becky manages the donor database as well as stewardship and recognition programs at the Foundation. She is inspired by the passionate donors she works with every day who continue to make a difference in the community. She is also active in both the Association of Fundraising Professionals and the Association for Healthcare Philanthropy.

Becky graduated with an Honors B.A. in English from Andrews University and an M.A. in Education from Boise State University. She enjoys spending her free time with her husband, children and grandchildren.

Ayslinn Husebo, Director of Marketing and Special Events

Ayslinn Husebo joined AdventHealth in 2005 as a Marketing Manager for the Winter Park campus. Throughout her eight years in marketing, she managed comprehensive system and service line campaigns, multi-channel media buys and developed the Healthy 100 loyalty program through email, web, social, events, corporate relations and employee wellness initiatives.

Ayslinn is currently the Director of Marketing and Special Events and was brought on to the AdventHealth Foundation Central Florida team in 2013 to produce the largest fundraising event in Central Florida, Golden Gala. She and her team manage over 50 annual core and endorsed events along with a 60+ group of community champions that focus on Golden Gala Auction. Ayslinn leads brand and annual fund campaigns for support services such as cancer care, children’s care, cardiovascular care and hospice care.

A Florida native, Ayslinn graduated with a Bachelor of Arts in Music and a minor in Business from Palm Beach Atlantic University and moved to Central Florida shortly after getting married. Ayslinn, her husband and two kids enjoy the beach and college football. She loves her career and the people she works with and considers AdventHealth her second family.

Executive Board

Dick J. Batchelor
Board Chair

Tony Nicholson
Vice Chair

Bill Boyles

Jeff Sweeney

Jeannie Moorjani

David S. Collis

Christopher E. Dobson, II

Bill Finfrock

Frank H. Sheppard

Scott Sturgill

Thomas and Penny Yochum

Jim MacPhee
Member at Large

Borron J. Owen, Jr.
Member at Large

Pat L. Williams
Member at Large

Sonja Nicholson
Member at Large

Chris Bordner
Member at Large

Brea Weiss
Member at Large