MANAGEMENT TEAM

Each member of the management team supports our core values and serves our patients and one another with enthusiasm.

John English, M.D.

CEO, Medical Director

Dr. John English is board certified by the American Board of Family Medicine and has been practicing medicine since 1993. Prior to becoming the Medical Director of Bethesda Health Clinic, he practiced medicine at Trinity Clinic in Tyler, Texas. John holds a M.D. degree from U.T. Southwestern Medical School. He completed his residency at John Peter Smith Hospital.

Krysti McWha

CFO / COO
Krysti McWha is the Chief Financial and Operations Officer for Bethesda Health Clinic and Hangers of Hope. After almost 20 years in public and corporate accounting, she felt called to join the non-profit realm to make a difference in the lives of those less fortunate. She joined Bethesda in 2011. In addition to holding a Masters of Accounting, Krysti is a proud mother of 3 adult children, and a graduate of Leadership Tyler class 27. She loves to travel and scuba dive in her free time.

Diane Thomason

Development Director

Diane Thomason is Bethesda’s Development Director, and she handles all donor relations and fundraising events. Diane served on the very first board of directors for Bethesda in 2002, and joined the organization officially in 2009. Diane studied Fine Arts at the University of Texas at Austin, and has a background in technology. She has served in leadership positions with many local organizations, including UT Tyler’s College of Business & Technology, Tyler Executive Women’s Network (TEWN), Christian Women’s Job Corps, The Women’s Fund and GetIT. Diane has one adult daughter, Sarah, and a grand dog, Cooper. In her free time she enjoys traveling, reading and taking walks

Laura Houston

Clinic Administrator

Laura Houston has been at Bethesda for five years and currently serves as Clinic Administrator and Development Assistant. In addition to managing clinic facilities, communicating and problem-solving with the staff, she provides fundraising support, database management, grant writing, event planning and clerical support for donors and the Development Director. Since receiving her degree in Business Management from Stephen F. Austin State University, Laura has held a variety of positions in customer service, church and school administrative support, retail management, and as Executive Director of a chamber of commerce in Georgia. She and her husband Bryan have been married 30+ years and have one adult son, Matthew, who lives and works in broadcasting in Baton Rouge. In her free time, Laura enjoys reading, Bible study, keeping up with current events, following several sports teams (Geaux Tigers!), decorating at home, and yard work

Chris Wilson, RN

Director of Nursing

Chris Wilson is Director of Nursing and passionate about health and helping others. She has 29 years of nursing experience, with 10 being spent at a rural hospital in Southern Colorado and 15 in the missions’ field working with mobile medical teams and Community Health Evangelism in developing nations. Chris is married to her husband of 41 years, Phil, and they have 2 children and 7 grandchildren. Chris enjoys gardening, music, reading, being outdoors and spending time with family.

Olga Ohrbeck

Dental Office Manager

Following a career in restaurant management, Olga joined Bethesda in 2018 as the Dental Team Manager. In this role, Olga manages the Dental staff schedule and patient appointments. She makes sure that our Dental providers have patients to see at every appointment slot, and she works hard to fill cancelled and no-show appointments. Olga has an AA in Administrative Secretary and a BA in Hotel and Restaurant Management. In her spare time, Olga not only loves to cook, but she enjoys crafting, making floral arrangements, and especially decorating for Christmas. She has even coordinated a couple of weddings for fun

Diana Jones

Patient Advocate

Diana Jones builds and strengthens relationships with organizations in the community who have resources that can help our patients, and she matches patients having specific needs to those resources. Prior to accepting her current position, Diana volunteered in Admissions where she enjoyed meeting and ministering to new and returning patients. She is a member of the Bethesda Alliance, and she not only helped with the 2019 Birthday Bash, but contributed to its financial success by placing the highest bid on Brian Brandt’s cake! Diana has three grown sons and five grandsons. She loves to spend time with her grandsons! She also enjoys gardening and has a large garden at her home in Tyler to maintain.

Brittany Dickey

HR Coordinator

Brittany joined Bethesda in March of 2018 after spending five years with a local education company, Mentoring Minds. Brittany has an interpersonal communications degree from Stephen F. Austin State University. She has two young sons, Fletcher and Silas, and raises them with her husband (and best friend of 25 years), Aaron. She is passionate about marriage ministry and women’s ministry, and she devotes her time working with these ministries at Colonial Hills Baptist Church. She serves on the board of directors for the Children’s Village and has served in a leadership role with Hearts of Beauty women’s retreat

Johana Velasco

Medical Reception Supervisor

Johana Velasco joined Bethesda in 2015. She supervises our volunteer and medical receptionists, and she interprets for our Spanish-speaking patients. In addition, Johanna pays invoices, mails patient remiders, performs data entry and orders supplies.

Emily Wilson

Volunteer Coordinator

Emily Wilson joined Bethesda as Volunteer Coordinator in 2018. She oversees 350 current volunteers, recruits new volunteers based on clinic needs, and develops the volunteer program to accommodate the size and diversity of all Bethesda volunteers. Emily has a Bachelor’s degree in Business Administration from UT Tyler, and has a background in healthcare marketing and community education. She is an advocate for people in general, and loves to help or direct anyone, anyway she can. She is a native East Texan, and lives in Tyler with her teenage daughter, Audrey, and their two fur babies (dogs) Cupcake and Zoey Jane. 

Don Bristow

IT Director

Don Bristow came to Bethesda as a Database Consultant in 2013, then became IT Director in 2014. Don’s background includes 20 years in the software development industry, 5 years as a fulltime professional photographer, and 13 years in the website design and hosting business. In his position at Bethesda, Don uses all the skills acquired in these 38 years of prior experience. Don received a Bachelor of Arts in Liberal Studies (Elementary School Teacher Program) and a Bachelor of Arts in Mathematics from Sacramento State University, Sacramento. He currently serves on the boards of the BBB of Central East Texas and Operation Go Quickly. He previously served on the boards of GetIT, Innovation Advancing Education and Parent Services Center.  He has been married to Sandy for 41 years.

Megan Riaz

Marketing Coordinator

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Bethesda Health Clinic is a 100% community funded ministry.