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5430 Fredericksburg Rd., Ste. 200
San Antonio, TX 78229
Clinical Trials of Texas, Inc. occupies more than 20,000 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
Lele Simmons, BBA
lsimmons@cttexas.com
Chief Financial Officer
Ann-Marie Laird, BS
alaird@cttexas.com
Team Lead, Team 1
Shelbie Martin, BS
smartin@cttexas.com
Chief Medical Director
Douglas S. Denham, DO, CPI
ddenham@cttexas.com
Director, Human Resources
Clarissa Camarillo, BBA
ccamarillo@cttexas.com
Director of Clinical Operations
Paul Esparza, BS
pesparza@cttexas.com
Team Lead, Team 2
Cynthia Ramos, BS, CCRC
cramos@cttexas.com
Sr. VP, Operations
Leisel Koerber, BBA, CCRC
lkoerber@cttexas.com
Sr. Director, Marketing/Recruitment
Cindi Nellis, BA
cnellis@cttexas.com
Assistant Director, Team 1
Darlington Akahara, MD
dakahara@cttexas.com
Team Lead, Team 3
Nathan Cortez, MS, CCRC
ncortez@cttexas.com
Team Lead, Team 4
Matthew Korte, BS
mkorte@cttexas.com
Manager, Quality Control/Data Entry
Dawn Killian, BS
dkillian@cttexas.com
Manager, Regulatory Compliance/Quality Assurance
Staci Poettgen, BS
spoettgen@cttexas.com