Meet the Team

  • A smiling woman with short, curly gray hair, glasses, and a white shirt standing outdoors with green trees and bushes in the background.

    Stacie Hudgens, MSc

    Chief Executive Officer

  • Portrait of a smiling middle-aged man with gray hair, wearing a dark blazer and a light checkered shirt, outdoors with green foliage in the background.

    Fabian Cordova, CPA, MBA

    Cheif Operations Officer

  • A woman with dark brown hair wearing a black top and a red patterned scarf, standing outdoors in front of green plants and trees.

    Helen Doll, PhD

    Executive Director, Quantitative Science

  • Smiling woman with curly hair wearing a purple coat and a multicolored scarf outdoors near a stone wall.

    Claire Burbridge, MSc

    Executive Director, COA

  • A woman with long brown hair wearing a dark green floral dress and a blue blazer outside, smiling with a background of trees with green leaves.

    Jennifer Beaumont, MS

    Executive Director, Quantitative Science

  • Rebecca Cheng

    Senior Director, Psychometrics

  • Portrait of a woman with long, wavy, red hair standing outdoors with a blurred green background and some red flowers on the left side.

    Alex Barsdorf, PhD

    Senior Director, COA

  • Chloe Tolley

    Chloe Tolley

    Senior Director, COA

  • Lisa DeGisi

    Senior Director, Human Resources

  • A smiling woman with blonde hair wearing hoop earrings, a gold cross necklace, and a colorful patterned top, standing outdoors with a blurred green foliage background.

    Diane Bock, BS

    Director, Study Coordination

  • A smiling man in a dark pinstripe suit and striped dress shirt standing outdoors with a rock wall and garden plants in the background.

    Jason Randall, PhD

    Director

  • A woman with wavy blonde hair smiling outdoors in front of a garden background.

    Sam Rousell, MSc

    Director, Programming

  • A woman with short brown hair, wearing a white shirt and an argyle sweater vest, standing in front of a bush with green leaves.

    Angelika Viada

    Director, Project Management

  • Sonia Arroyave

    Director, Operations

  • Sean Forrest, BFA

    Senior Manager, Marketing & Design

  • A young woman with long dark hair, smiling, standing outdoors with trees and greenery in the background.

    Sondra Arvayo, BS

    Finance Manager

  • A woman with dark brown shoulder-length hair smiling outdoors during fall, wearing a pink floral cardigan, with a background of trees with colorful autumn leaves and a wooden fence.

    Megan McCool-Myers

    Associate Director I

  • A woman with long, curly dark hair and glasses, standing outdoors in front of green palm leaves, smiling at the camera.

    Clara Garrison

    Associate Director, Project Management

  • A woman with short, dark, wavy hair and light skin outdoors in front of green leafy bushes, wearing a patterned top and earrings.

    Traci Abraham

    Research Scientist II

  • A smiling man with dark, curly hair and a beard, wearing a brown knitted sweater, standing in front of a leafy green background.

    Elliott Blatt

    Research Scientist I

  • A smiling woman with blonde hair in a light purple blazer outdoors with green trees in the background.

    Jennifer Clegg, MA

    Associate Director I

  • A young woman with long brown hair, blue eyes, and light skin, smiling outdoors, wearing a beige sweater and a plaid scarf in shades of red, purple, and black, with green bushes and trees in the background.

    Emma Coggins

    SAS Programmer I

  • A woman with long brown hair and bangs, wearing a black and white floral top and a silver necklace with a heart pendant, standing outdoors in front of green leafy bushes.

    Hollie Curgenven

    Study Coordinator II

  • A woman with dark hair smiling outdoors in a forested area with green moss and ferns.

    Shruti Dave

    Research Scientist I

  • Young woman with long black hair wearing glasses, a white shirt, and a tan jacket, smiling outdoors with green foliage in the background.

    Coleen Del Rosario

    Research Associate II

  • Man with glasses and a beard smiling, standing in front of red autumn leaves, wearing a dark blue patterned sweater.

    Michael DeRosa, MA

    Principal Scientist/Programmer III

  • A woman with glasses and braces smiling in front of green leafy bushes.

    Hoan Do

    Research Scientist I

  • A woman with dark hair and glasses standing outdoors in front of green bushes.

    Flora Felix

    US Office Manager

  • A smiling woman with curly dark hair, wearing a black blazer and a necklace, standing outdoors with green plants in the background.

    Helen Jones

    Operations Manager

  • A man with short dark hair and a slight smile, wearing a light blue checkered shirt, standing outdoors with blurred greenery in the background.

    Bill Gehringer, BS

    Senior Data Manager

  • Sophie Hughes

    Sophie Hughes

    Research Associate II

  • Melanie Hughes

    Melanie Hughes

    Research Associate I

  • Bridget Iwamuro

    Bridget Iwamuro, BS

    Senior Study Coordinator II

  • A woman with long brown and blonde hair smiling outdoors in a pink and red dress with a pink background.

    Heli Kapadia

    Research Scientists II/Programmer

  • A woman with shoulder-length blonde hair, wearing a royal blue top and a beaded necklace with a tassel pendant, standing in front of green leafy plants.

    Shaunna Kowalewski, BS

    Senior Compliance/Contracts Manager

  • A woman with shoulder-length brown hair and blue eyes smiling outdoors in front of green trees, wearing a black top, gray patterned blazer, and silver hoop earrings.

    Elaine Langlais

    Study Coordinator II

  • A woman with short brown hair smiling outdoors, wearing a light green sweater with a pattern of small black and white objects, in front of a garden with rocks and plants.

    Lucy Lloyd-Price, MSc

    Research Scientist I

  • A woman with short brown hair smiling, wearing a dark blazer over a striped shirt, standing in front of a bush with white flowers.

    Maria Melchiorre, BA

    Senior Finance/Accounts Manager

  • A young woman with dark wavy hair, wearing a colorful headscarf, a black top, and a gold necklace, standing outdoors in front of green foliage.

    Tenage McDowell

    Senior Research Associate

  • A smiling woman with dark hair, wearing a pink top with lace detailing on the shoulder, standing outdoors amid green foliage.

    Swarna Nagiredla

    Senior Study Coordinator II

  • A middle-aged man with glasses, a gray beard, and wearing a light blue button-up shirt with embroidered patterns, standing outdoors in front of a palm tree and some greenery.

    David Navarro, BS

    Medical Writer I

  • Portrait of a woman with long dark hair smiling, standing outdoors in front of green foliage.

    Intan Purnajo, MPH

    Associate Director I

  • Smiling woman with short blonde hair wearing a brown and white striped shirt standing in front of green leafy bushes with pink and white flowers.

    Jennifer Rafalski

    Senior Research Associate

  • A woman with long dark hair and light skin, smiling softly, standing outdoors with green leafy plants and pink flowers in the background.

    Lydia Raither, MSc

    Senior Research Associate

  • A woman with dark curly hair wearing a white blouse with floral print stands outdoors with greenery in the background.

    Swetha Reddy, MS

    Senior Research Associate/Programmer II

  • A young woman with long blonde hair and blue eyes, smiling at the camera, standing in front of a dense green leafy hedge.

    Lara Sams, MSc

    Research Scientist II

  • A woman with long, wavy blonde hair and pink lipstick standing outdoors in front of green leafy foliage, wearing a blue and white striped shirt.

    Natasha Schumacher

    Study Coordinator II

  • A young man dressed in a black suit, white shirt, and red tie smiling outdoors with blurred trees in the background.

    Tron Tran, BA

    Operations Manager I

  • Close-up of a smiling woman with blonde hair and blue eyes outdoors in sunlight, with a blurred green and brown background.

    Kerry Turner

    Data Management Associate II

  • A woman with long, wavy reddish-brown hair smiling outdoors in front of a tree with green foliage.

    Cindy Umanzor-Figueroa

    Research Scientist I

  • A man in a blue button-up shirt standing outdoors in front of green tropical plants.

    Hailin Yu, MPH

    Associate Director II/Programmer III

  • A woman with long dark hair, wearing a floral top, standing in front of large cactus plants.

    Shannon Vaffis, PhD/MPH

    Research Scientist II