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5430 Fredericksburg Rd., Ste. 200
San Antonio, TX 78229
Clinical Trials of Texas, Inc. occupies more than 19,000 sq. ft. on multiple floors at its NEW LOCATION: 5430 Fredericksburg Rd., Ste. 200
Mon: 7:30am–5:30pm
Tue: 7:30am–5:30pm
Wed: 7:30am–5:30pm
Thu: 7:30am–5:30pm
Fri: 7:30am–5:30pm
Sat: 9am-1pm (call center only)
Sun: Closed
President/CEO
Kay Scroggins, RN
kscroggins@cttexas.com
Sr. VP, Business Development – Late Phase
Lele Simmons, BBA
lsimmons@cttexas.com
Director, Business Operations
Ann-Marie Laird, BS
alaird@cttexas.com
Team Lead, Internal Medicine
Matthew Korte, BS
mkorte@cttexas.com
Medical Director
Douglas S. Denham, DO, CPI
ddenham@cttexas.com
Director, Human Resources
Clarissa Camarillo, BBA
ccamarillo@cttexas.com
Assistant Director, Early Phase Services/Lab Manager
Paul Esparza, BS
pesparza@cttexas.com
Manager, Quality Control/Data Entry
Dawn Killian, BS
dkillian@cttexas.com
Sr. VP, Operations
Leisel Koerber, BBA, CCRC
lkoerber@cttexas.com
Director, Marketing/Recruitment
Cindi Nellis, BA
cnellis@cttexas.com
Team Lead, Women’s Health/Mental Health
Cynthia Ramos, BS, CCRC
cramos@cttexas.com
Manager, Regulatory Compliance/Quality Assurance
Staci Poettgen, BS
spoettgen@cttexas.com