Our People

View Leadership Team

Andyadmiring1dayoldclinicEkwendeniE. Andrew Mayo, CEO

Andy has over 30 years of international hospital management and medical industry experience. Prior to joining MBF as President & CEO in 2012, Andy developed and directed CURE Clubfoot Worldwide, the largest clubfoot training and treatment program in the developing world, operating in more than 17 countries and treating over 20,000 children. During his time with CURE International he also served as Executive Director of the AIC-CURE International Children’s Hospital in Kijabe Kenya.

While Andy began his healthcare career serving in a number of community and regional hospitals in the U.S., he has also worked for major international companies, including Siemens Medical Systems and Aventis Pharmaceuticals. He has direct leadership experience in a wide variety of hospital settings, healthcare information systems and program development in developing countries.

Michael Howe, CFO

Michael HoweMichael has over 25 years of experience in finance and accounting, primarily in the energy industry. He has been privileged to lead various worldwide functions, including corporate finance, treasury, human resources, and strategic planning. He has lived and worked extensively overseas, including a four-year posting in Tunisia in the early 1990s. Michael’s passion for medical missions includes short-term trips to Moldova and Honduras, and he has participated in other mission trips to Kenya and Tanzania to spread the Good News of Jesus Christ. Michael earned his CPA in the state of Texas, and graduated from Oklahoma State University with a degree in Accounting and The University of Texas at Austin with Master in Business Administration.

Jack Muthui, Africa Regional ManagerJack Muthui, Africa Regional Manager

Jack Muthui lives in Nairobi, Kenya and is responsible for overseeing relationships with MBF partners in Africa mainly in Kenya, Malawi, and DR Congo. First and foremost, Jack is a committed Christian. He has worked in leadership positions in various organizations including Christoffel Blindenmission (CBM) where he was Country Coordinator for Kenya. Prior to CBM, Jack was the Executive Director of the AIC-CURE Children’s Hospital in Kijabe, Kenya. He has an MBA degree and a Post Graduate Diploma in Project Management from South Africa. Jack knows hospital operations as well as donor processes. Jack’s close proximity to partners in the region helps with access, and enables him to offer professional insight and wisdom as well.

Paule-Nise Stanfil, Haiti Country Coordinator 

Paule-NisePaule-Nise was born in Bombardopolis in the North West, region of Haiti. She graduated from FSIL as valedictorian, the only BSN level nursing program in Haiti sponsored by MBF. She was certified in education by Rutgers, the State University of Michigan. She worked in her alma mater for 6 years as: clinical instructor, teacher and Coordinator of Student’s Affair and also worked with Breast cancer patients at HSC two times per year with a surgeon from the University of Michigan. She is married with two kids and feels blessed by God who gave her a beautiful family. She is excited to work towards improving the quality of health care in Haiti.

Lisa Cole, Director of Mary K Center for Global Nursing Development

lisa-cole-Lisa joined MBF in September 2016. Her primary role is to help develop, oversee, and coordinate programs that increase the capacity and strengthen the quality and sustainability of the nursing profession in developing countries through collaborative global and US domestic partnerships.

With degrees in nursing, organizational communications and gerontology, Lisa has over 30 years of clinical, program development, management and leadership experience in healthcare. She has spent the last 10 years of her career in community outreach and engagement in undeserved communities in Indianapolis and is highly skilled at cross sector partnership development and creating sustainable impact.

Lisa and her husband Bob live in Indianapolis and are the proud parents of two young adults, Sam and Annie, and a “four-legged toddler”, Jazzy. Sam, a college graduate as of May 2016, recently moved to Chicago to begin his career as a business consultant. Annie, a sophomore at Taylor University, is majoring in elementary education with a minor in orphans and vulnerable children.

Lisa feels truly blessed to join the MBF family and to have the opportunity to take her experience sharing God’s values in a more secular environment and to grow them in a Christ-centered organization.

Sue Haas, Sr. Administrative Assistant

Sue HaasSue joined the staff of MBF in September 2008 as the Administrative Assistant. She works directly in support of the Executive Director and collaboratively with all MBF staff to provide administrative organization and support of MBF’s daily work.Sue is a native Houstonian and has been a member of Grace Presbyterian Church since she was a little girl. Grace Church has been in partnership with MBF for over 35 years. She feels very blessed to be a part of the MBF family and for the opportunity to share God’s love through the work that MBF provides to our worldwide partners.

Sue enjoys spending time with her husband, Steve and their two children Steven and Kelly.

View Partner Engagement Team

George CourtneyGeorge Courtney, Vice President of Partner Engagement

For twenty-five years, George has been helping Christian ministries effectively share the love and gospel of Christ at home and around the world. Prior to joining MBF, George served as the Director of Advancement with Charlotte Christian School, Christian Medical & Dental Associations and King’s College. He has enjoyed being actively engaged with global mission through each of these organizations. George lives in Charlotte, NC with his wife Rose and son Noah.

Mark Harris, Direct of Partner Engagement, Western US

M Harris Photo

Prior to joining MBF, Mark worked as the Director of Development for Biblica (formerly the International Bible Society).  It doesn’t take long to notice that Mark is passionate about working with churches, donors, and prospects in their journey of generosity, inspiring them to grow in their own journey with God and in appreciation of their impact through philanthropy.  Mark is an active leader in his church where he serves as an Elder and plays a role in the preaching rotation.  In his spare time, Mark can be found relaxing with his family, reading a good book, playing golf, or coaching his daughter’s soccer team.  Mark lives in Sacramento, CA with his wife, three children, and a Boxer by the name of Buster Dietrich Harris (that’s right Mark is an avid fan of the San Francisco Giants and Dietrich Bonheoffer).

Lynn Swinke Workman, Director for Partner Engagement – Champions

Since September 1Lynn S Workman994, Lynn has been traveling the church circuit speaking on behalf of Presbyterian medical missions in third world countries.  She has worked or visited mission stations in Bangladesh, Cameroon, Dominican Republic, Egypt, Guatemala, Haiti, India, Kenya, Madagascar, Malawi, Mexico, Nepal, Nicaragua and Zaire (now known as the Democratic Republic of Congo).

As Director of Development for the MBF (Medical Benevolence Foundation), Lynn brings first- hand understanding and experience with opportunities for churches, church groups, and service organizations.  Aside from her work with MBF, she enjoys spending time with her husband, reading mystery novels and traveling.

Alice McCalla, Director of Marketing

Alice joined tHeadshot: Alice McCallahe MBF team in April 2015. She has more than 20 years experience in marketing, strategic communications and public relations in the nonprofit arena; seven of those years were spent in the health care industry. Originally from Virginia, Alice moved to Texas in 2004. She earned her BA in Communications from James Madison University in Virginia and her MBA from the University of Texas McCombs School of Business in Austin.

Alice’s responsibilities include building awareness of MBF and it’s medical mission work so that we can expand our reach of providing access to health care around the world and to spread the Gospel by helping those most in need. Alice’s husband Jim is a native Houstonian and they currently live in the Clear Lake area with their young son, Jack. Alice is active in her church, St. Christopher’s Episcopal and the family enjoys any activities outside, particularly those that involve being on the water.

Shaleen Lynce, Marketing AssociateShaleen Lynce

Shaleen is an Ohio transplant to the MBF main office in Houston. Shaleen has a wide spread background, most recently doing professional fundraising before MBF. She loves being able to spread the love of Christ in her daily life. She is excited to be working with the many talented staff members of MBF in order to combine the unique gifts God has given to each person to further His Kingdom.

Dori Donnell, Marketing Associate

Dori Donnell2Dori comes to us having a fresh understanding of church culture, as she worked inside one for over nine years. Having felt the call to transition into the city, she found herself partnered up with other organizations, bringing even more light into the nonprofit world. Dori likes to think of each day as a chance to discover something new, and is thrilled to be at MBF.  She is excited  to see what it looks like when the Body of Christ comes together to dispel the darkness in our hurting world. Dori and her husband, Charlie have made Houston their home, along with their three teenagers.


View Board Of Trustees

Steve Barnes
Human Resource Director
Phoenixville, PA

Bonni Carr
Executive Global and Missions Director
Glenkirk Church
Glendora, CA

Gary Charbonneau
S.V.P Regulatory Affairs
Chase Pharmaceuticals
Irvine, CA

Reverend Susan Clayton
Associate Pastor
Independent Presbyterian Church
Birmingham, AL

Daniel E. Everitt M.D. 
V.P., Senior Medical Officer
Global Alliance for TB Drug Development
New York, NY

Timothy (Tim) J. Ferguson M.D. 
Family Physician
Timothy J. Ferguson MD Inc.
Glendora, CA

James (Jimmy) G. Hite
Hite Associates
Greenville, NC

Henry (Hank) N. Kuhlman
Member, Board of Health at Virginia Department of Health
Henrico, VA

Douglas Mitchell
V.P. Retail Information & Planning, retired
PNC Financial Services
Pittsburgh, PA

Kelly Moorhead
Account Executive Commercial Interiors
Tandus Centive, A Tarkett Company
Greenville, SC

Eric G. Osborne
Andrews Kurth, LLP
Houston, TX

Mr. David Printy
Executive Leadership/Strategic Adviser
Medical Professional Services, Inc.
Damariscotta, ME

Joan S. Purcell M.D. 
Pediatrician / Owner
Step Pediatrics PA
The Woodlands, TX

Robert Sloane M.D. 
Trauma & Transplant Surgeon, retired
Fort Worth, TX

Dale Stanton-Hoyle
Executive Director
JDM Associates Engineering
Fairfax, VA

Barbara Swan M.D.
Physician – Physical Medicine & Rehabilitation
Allegheny Orthopedic Associates
Sewickley, PA

Reverend Gary J. Watkins
Senior Pastor
Christ Pacific Church
Huntington Beach, CA

View Ex Officio Members of the Board

E. Andrew (Andy) Mayo
President, CEO
Houston, TX
Judy Persons
Vice Moderator for Mission Relationship
Presbyterian Women
Jackson, AL