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Our Team

One of the Largest and Most Capable Research Teams in the United States

Meet our research team led by Kay Scroggins, RN, CCRC, who founded Clinical Trials of Texas, Inc. (CTT) in 2001. She has been in the clinical research industry for more than 20 years. Our Medical Director, Douglas Denham, DO, CPI along with 16 other board-certified physicians, who practice in the San Antonio area, work with CTT to conduct studies in their respective medical specialties. This network of investigators has helped create one of the largest and most capable research sites in the United States.

Kay Scroggins, RN  President/CEO

Kay Scroggins, RN

President/CEO

Douglas Denham, DO, CPI Chief Medical Director

Douglas Denham, DO, CPI

Chief Medical Director

Leisel Koerber, BBA, CCRCSr. VP, Operations

Leisel Koerber, BBA, CCRC

Sr. VP, Operations

Lele Simmons, BBASr. VP, Business Development

Lele Simmons, BBA

Sr. VP, Business Development

Ayo Avworo DNP, APRN, FNP-BC, CPISenior Investigator

Ayo Avworo DNP, APRN, FNP-BC, CPI

Senior Investigator

Kerry De Jesus, Psy.DPrincipal Investigator II, Mental Health

Kerry De Jesus, Psy.D

Principal Investigator II, Mental Health

Thomas R. Weiss, MD Principal Investigator

Thomas R. Weiss, MD

Principal Investigator

Parke J. Hedges, MDPrincipal Investigator

Parke J. Hedges, MD

Principal Investigator

Terri Nutt, MDPrincipal Investigator

Terri Nutt, MD

Principal Investigator

Pendleton Wickersham, MDPrincipal Investigator

Pendleton Wickersham, MD

Principal Investigator

Lisa Martén, MDPrincipal Investigator

Lisa Martén, MD

Principal Investigator

Martha Leatherman, MDPrincipal Investigator

Martha Leatherman, MD

Principal Investigator

Valentin Almendarez, Jr., MDPrincipal Investigator

Valentin Almendarez, Jr., MD

Principal Investigator

Boulos Toursarkissian, MDPrincipal Investigator

Boulos Toursarkissian, MD

Principal Investigator

Damaso Oliva, Jr., MDPrincipal Investigator

Damaso Oliva, Jr., MD

Principal Investigator

Clarissa Camarillo, BBA Director, Human Resources

Clarissa Camarillo, BBA

Director, Human Resources

Cindi Nellis, BASenior Director, Marketing/Recruitment

Cindi Nellis, BA

Senior Director, Marketing/Recruitment

Ann-Marie Laird, BSChief Financial Officer

Ann-Marie Laird, BS

Chief Financial Officer

Paul Esparza, BS Director, Clinical Operations

Paul Esparza, BS

Director, Clinical Operations

Steven Schmid, Ph.D., M.A.  Senior Director, Laboratory Strategic Planning & Development

Steven Schmid, Ph.D., M.A.

Senior Director, Laboratory Strategic Planning & Development

Darlington Akahara Assistant Director, Team 1

Darlington Akahara

Assistant Director, Team 1

Amy Lewis, CPhT Certified Pharmacy Technician

Amy Lewis, CPhT

Certified Pharmacy Technician

Beto QuezadaPharmacist

Beto Quezada

Pharmacist

Matthew Korte, BS, CCRCTeam Lead II, Team 4

Matthew Korte, BS, CCRC

Team Lead II, Team 4

Staci Poettgen, BSManager II, QA/Regulatory Compliance

Staci Poettgen, BS

Manager II, QA/Regulatory Compliance

Cynthia Ramos, BS, CCRCTeam Lead II, Team 2

Cynthia Ramos, BS, CCRC

Team Lead II, Team 2

Nathan Cortez, MS Team Lead I, Team 3

Nathan Cortez, MS

Team Lead I, Team 3

Shelbie Martin, BS Team Lead I, Team 1

Shelbie Martin, BS

Team Lead I, Team 1

Dawn Killian, BSManager II, Quality Control/Data Management

Dawn Killian, BS

Manager II, Quality Control/Data Management

Edna Arce Manager II, Recruitment

Edna Arce

Manager II, Recruitment

Mary Jo Perez-Jenkins, CCRCCRC II, Team 2

Mary Jo Perez-Jenkins, CCRC

CRC II, Team 2

Maristelle Co, BS   CRC I, Team 2

Maristelle Co, BS

CRC I, Team 2

Kristi Posey, LVN                                                                 CRC I, Team 2

Kristi Posey, LVN

CRC I, Team 2

Antonio Gutierrez, MS, CCRC CRC I, Team 3

Antonio Gutierrez, MS, CCRC

CRC I, Team 3

Andrea Gomez, BACRC I, Team 3

Andrea Gomez, BA

CRC I, Team 3

Shaiane Dickerson, BBC                                                   CRC I, Team 3

Shaiane Dickerson, BBC

CRC I, Team 3

Kristy Trevino, CMA CRCA I, Team 3

Kristy Trevino, CMA

CRCA I, Team 3

Beatriz Herrera CRCA I, Team 3

Beatriz Herrera

CRCA I, Team 3

Michelle Smith, ABA  CRCA I, Team 3

Michelle Smith, ABA

CRCA I, Team 3

Alison MortensenCRC I, Team 4

Alison Mortensen

CRC I, Team 4

Jamie Padilla, RCMA CRC I, Team 4

Jamie Padilla, RCMA

CRC I, Team 4

Jennifer Cruz CRC I, Team 4

Jennifer Cruz

CRC I, Team 4

Nolan Payton, BSBM, CPhT CRCA I, Team 4

Nolan Payton, BSBM, CPhT

CRCA I, Team 4

Amanda Gomez,CMACRC I, Team 1

Amanda Gomez,CMA

CRC I, Team 1

Erica Leal CRC I, Team 1

Erica Leal

CRC I, Team 1

Elizabeth Knight, BS CRC I, Team 1

Elizabeth Knight, BS

CRC I, Team 1

Jesus CavazosCRCA I, Team 1

Jesus Cavazos

CRCA I, Team 1

Lily Hays, BA  CRCA I, Team 1

Lily Hays, BA

CRCA I, Team 1

Bertha Romero CRCA I, Team 1

Bertha Romero

CRCA I, Team 1

Quincey Hogue, BS  CRCA I, Team 1

Quincey Hogue, BS

CRCA I, Team 1

Melinda AxtonLaboratory Technician II

Melinda Axton

Laboratory Technician II

Brian HemmingLaboratory Technician I

Brian Hemming

Laboratory Technician I

D’Andre White, MA Laboratory Technician I

D’Andre White, MA

Laboratory Technician I

Terri Perez  Laboratory Technician I

Terri Perez

Laboratory Technician I

Marissa Johnson, BBABusiness Development Coordinator II

Marissa Johnson, BBA

Business Development Coordinator II

Reanna Martinez, BBABusiness Development Coordinator I

Reanna Martinez, BBA

Business Development Coordinator I

Celina Escarzaga-Rivera, BSBusiness Operations Specialist II

Celina Escarzaga-Rivera, BS

Business Operations Specialist II

Kristy Duncan, BBASenior Business Operations Specialist

Kristy Duncan, BBA

Senior Business Operations Specialist

Mary GonzalezBusiness Operations Specialist II

Mary Gonzalez

Business Operations Specialist II

Christina Torres Business Operations Specialist I

Christina Torres

Business Operations Specialist I

Ismael “Rod” RodriguezBudget/Contract Coordinator II

Ismael “Rod” Rodriguez

Budget/Contract Coordinator II

Joel Kainz Manager I, IT & Systems

Joel Kainz

Manager I, IT & Systems

Amy Griffith, BS, CCRC Senior Source Creation Specialist

Amy Griffith, BS, CCRC

Senior Source Creation Specialist

Sally Quiroz, RMARegulatory Compliance Specialist II

Sally Quiroz, RMA

Regulatory Compliance Specialist II

Janet MontenegroRegulatory Compliance Specialist II

Janet Montenegro

Regulatory Compliance Specialist II

Steffanie Barrera, BS Quality Assurance Specialist I

Steffanie Barrera, BS

Quality Assurance Specialist I

Chelsea Herrberg, BA Training & Development Coordinator II

Chelsea Herrberg, BA

Training & Development Coordinator II

Kevin Martinez, BBA QC & Data Management Specialist I

Kevin Martinez, BBA

QC & Data Management Specialist I

Victoria HernandezQC & Data Management Specialist I

Victoria Hernandez

QC & Data Management Specialist I

Jerry Pena, MS  QC & Data Management Specialist I

Jerry Pena, MS

QC & Data Management Specialist I

Karol Perez, BCS  QC & Data Management Specialist I

Karol Perez, BCS

QC & Data Management Specialist I

Adrienne Limon Administrative Assistant I

Adrienne Limon

Administrative Assistant I

Jessica Garza, MBAMarketing Coordinator II

Jessica Garza, MBA

Marketing Coordinator II

Shakera Flores, BS Marketing Coordinator I

Shakera Flores, BS

Marketing Coordinator I

Emily MendezPre-Screen Specialist II

Emily Mendez

Pre-Screen Specialist II

Nicholas Trinidad, BAPre-Screener/Outreach Specialist I

Nicholas Trinidad, BA

Pre-Screener/Outreach Specialist I

Alicia GarzaRecruitment Specialist I

Alicia Garza

Recruitment Specialist I

Blanca BarberenaRecruitment Specialist II

Blanca Barberena

Recruitment Specialist II

DeLaine StarksRecruitment Specialist I

DeLaine Starks

Recruitment Specialist I

Terry Taylor Recruitment Specialist I

Terry Taylor

Recruitment Specialist I

Anthoni Del Orbe Recruitment Specialist I

Anthoni Del Orbe

Recruitment Specialist I

Erica Rivera, BSN  Recruitment Specialist I

Erica Rivera, BSN

Recruitment Specialist I

Karina Ojeda, AA Recruitment Specialist I

Karina Ojeda, AA

Recruitment Specialist I

Carolina Coronado Administrative Assistant

Carolina Coronado

Administrative Assistant

Rebecca Many, AAT Administrative Assistant I

Rebecca Many, AAT

Administrative Assistant I

Monica Landin Administrative Assistant I

Monica Landin

Administrative Assistant I

Currently Enrolling Studies

CTT is currently accepting applicants for studies testing new treatments and medications for a variety of medical conditions.

Get In Touch

If you have any question about participating in research at Clinical Trials of Texas, we'd love to hear from you today!

Volunteer for a study at Clinical Trials of Texas to learn more about your medical condition and receive access to new treatments and medications at no cost to you.

Click here to browse and apply for currently enrolling studies >