EXECUTIVE LEADERSHIP
Deanne Detmers, MA
Chief Executive Officer
Joined BIA in 1993
Monique Bekeschus, MS, BCBA
President, Chief Operating Officer
Joined BIA in 1997
REGIONAL DIRECTORS
Haydee Bowden, MA, BCBA
Northern California
Joined BIA in 2007
Kristen Migirian, MA, BCBA
Central California
Joined BIA in 2015
Darienne Schmall, MA, BCBA
Central Coast California
Joined BIA in 2018
Amanda Sampaolo, MA, BCBA
Salinas/ Monterey
Joined BIA in 2014
Associate Directors
Rachel Long, MA, BCBA
Training Specialist
Joined BIA in 2019
Stephen Stauffer, MA, BCBA
San Mateo/ Oakland
Joined BIA in 2016
Arielle Thomas, MA, BCBA
Associate Director, Oakland
Joined Oakland in 2024
family Services & Training Directors
Anna Kern, MS, LMFT
Family Services Director
Joined BIA Bay Area in 1996
Jenny O’Neil, MA, BCBA
Training Director
Joined BIA Fresno in 2019
LICENSED CLINICAL SUPERVISORS
Jessica Chandran, MA, BCBA
Joined BIA San Mateo in 2017
Alexis Mitchell, MA, BCBA
Joined BIA Monterey in 2018
Erin Curley, MA, BCBA
Joined BIA Monterey in 2020
Colby Foote, MA, BCBA
Joined BIA Oakland in 2023
Taylor Ramos, MA, BCBA
Joined BIA Clovis in 2021
Ying Zhou, MA, BCBA
Joined BIA Oakland in 2022
Andrea Nechay, MA, BCBA
Joined BIA Salinas in 2018
Diana Osegueda, MA, BCBA
Joined BIA Clovis in 2019
mid-level supervisors
Fresno/Clovis
Hannah Cogburn, BA, BCAT
Elyssa Perez, BA, BCAT
Catherine Seng, BA
San Mateo/Oakland
Shawn Tsztoo, BA, BCAT
Maria Castillo, BA, BCAT
Monterey/Salinas
Ana Loya, BA, BCAT
Citlali Villegas, BA, BCAT
Sarai Rangel, BA, BCAT
Monica Caudillo, BA, BCAT
Joselito Galaviz, BA, BCAT
Administrative Team
Cristee Marusich
Patient Services Director
Joined BIA in 2005
Ashley Portillo
HR Generalist
Joined BIA in 2025
Cameron Melena
Recruiter
Joined BIA in 2024
