THIEN M. DO, MD, FACC

WHA Founder, Director & Board Member

Dr. Thien M. Do is a practicing cardiologist and the Director of the American Executive Health System, a multi-specialty medical group in Virginia.  He is a board member for the INOVA Signature Partner Account Care Organization, one of the largest ACOs in the Northern Virginia area. Dr. Do served in the U.S. Army with the rank of Major.  While in the Army, he served in multiple leadership roles at the Malcolm Grow Medical Center as Director of the Coronary Care Unit, Director of the Non-invasive Labs, and later as the Director for the Pacemaker Implantation Services.  He also served as Vice-President of the Vietnamese American Medical Association.  Dr. Do graduated with honors from the University of California, Berkeley with a degree in chemistry.

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Under his leadership, WHA has grown to over 750 members across the U.S. and several foreign countries and has established active local chapters in D.C., Texas, Canada and Vietnam.  The program’s vision is to provide care to underserved populations and to create an environment in which sustainable care delivery can occur.  Dr. Do has led medical and dental missions in the U.S., the Philippines, Cambodia, Laos, Vietnam, Myanmar, and St. Vincent and the Grenadines.

MARIA LIVERS, BA

WHA Program Coordinator

Ms. Maria Livers brings more than 30 years of diverse professional corporate and nonprofit experience to WHA, encouraging individuals and organizations to work in collaboration to achieve positive change.  Maria is most interested in working with those who are partners in service to others, and is excited to contribute to WHA's commitment and success in providing medical and dental support to those who desperately need it. Maria is grateful to work with the dedicated WHA team as its Program Coordinator.

Ms. Livers most recently worked as Executive Director of Cleveland Roots, a nonprofit organization dedicated to helping address food deserts and provide access to fresh, healthy produce across the Greater Cleveland, Ohio community. Her previous experience includes working in the behavioral health field in Cleveland as the Executive Director of Lutheran Family Services, and on the Development team for Cleveland Christian Home and Bridgeway, Inc. Ms. Livers is also a graphics design and video production professional and editor, and has extensive experience in the arts and in events management, having worked in administration and as a performer with The Second City Cleveland, Playhouse Square, Something Dada Improv Comedy Company and The Breen Center for the Performing Arts. 

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Ms. Livers is a graduate of John Carroll University in Cleveland, Ohio.

NICOLE RIVERA, DMD, PLLC

WHA Treasurer

Dr. Rivera was born and raised in Puerto Rico and has loved going to the dentist since she was very young. She was always fascinated by all the tools and equipment, which propelled her to pursue a career in dentistry. Dr. Rivera is the owner of Aldie Dental Care in Virginia and was named one of America’s Top 40 Dentists under 40.

Dr. Rivera’s extensive education includes obtaining her degree as a Doctor of Dental Medicine from the University of Puerto Rico in 2012. Following graduation, she went on to complete her residency at the university's Hospital UPR. There, she was able to gain invaluable experience and learn more about medically compromised patients.

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For several years Dr. Rivera has been providing the families of Virginia with exceptional dental care through her own practice. She is also passionate about giving back and helping underserved communities at home and around the world. She has worked as a volunteer dentist on mission trips to Guatemala, Nicaragua, Saint Vincent & the Grenadines, the Dominican Republic, Puerto Rico, Vietnam, and Myanmar. These experiences have helped her to build relationships with people from different backgrounds, cultivating a sense of global community in her own life and at her practice. Dr. Rivera is very grateful for her education and her career and feels honored to give back to those who have not had the same opportunities. ‍

Dr. Rivera is happily married. She and her husband enjoy raising their son together. In her spare time, she loves to dance ballet, take long walks, go on bike rides, practice yoga, and of course spend quality time with her husband and son.

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Dr. Rivera Vargas became a member of WHA in 2016 and is committed to help and contribute to dental health, providing the best compassionate care to those in need.