Clinicians

Alexander N. Greiner, MD, CPI

Director and Physician Investigator

Board Certified Allergy and Immunology
ACRP Certified Principal Investigator (CPI)

Meet Dr. Greiner

 

Bob Geng, MD

 Physician Investigator

Board Certified Allergy and Immunology
Board Certified Clinical Pharmacology
Board Certified Internal Medicine

Meet Dr. Geng

 

Michael J. Welch, MD

Physician Investigator

Board Certified Allergy and Immunology
Board Certified Pediatrics

Meet Dr. Welch

 

Kristen M. Walters, MD

Physician Investigator

Board Certified Allergy and Immunology
Board Certified Internal Medicine

Meet Dr. Walters

 

Susan S. Laubach, MD

Physician Investigator

Board Certified Allergy and Immunology
Board Certified Pediatrics

Meet Dr. Laubach

 

Sharon B. Levy, MSN, CPNP, FNP-C

Sub-investigator

Certified Pediatric and Family Nurse Practitioner

Meet Sharon

 

Catherine M. Churchman, MSN, FNP-BC

Sub-investigator

Certified Family Nurse Practitioner

Meet Katie

 

Samantha Nigrelli-Barrientos, MSN, CPNP-PC

Sub-investigator

Certified Pediatric Nurse Practitioner

Meet Samantha

 

Research Staff

Susan K. Smith, BSRT, RCP, CCRC

Research Manager

Trudy Brass, BS

Business Administrator 

Teresa S. Lloyd, BS

Business Administrator

Mary C. Vales, MA, CCRC

Senior Clinical Research Coordinator

Lori S. Nash, MA

Senior Clinical Research Coordinator

Silvia B. Cedillo, MA

Clinical Research Coordinator

Zainab Alzubaidi, BS

Research Assistant 

Pauline Losay, BS

Auxiliary Clinical Research Coordinator