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Directory of Personnel

Our mission is to help our communities to be healthy. CASA-Trinity has professional staff and services to meet your needs. The Prevention department can deliver or develop programs to speak to groups about substance abuse prevention. The Treatment department can set up appointments for drug or alcohol addiction. 

Contact us or click on the directory to find the person you need.

Ann Domingos
LCSW-R, CASAC, CADC

Ann Domingos, LCSW-R, CASAC, CADC has 20 years of experience in the field of Addiction, working at and managing various programs in both New York and Connecticut. She...

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Mary Joan Glanton
CFO

Mary Joan Glanton has been CASA-Trinity's CFO since 2016. Mary Joan has over 20 years of experience working in private, public, and not-for-profit accounting. Mary Joan is a graduate...

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Tatiana Zentz
Clinical Operating Officer

Ms. Zentz is the Clinical Operating Officer for CASA-Trinity....

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Brie Hogan
Human Resources Director

Brie is a graduate of St. Bonaventure University with a BA in Journalism and Mass Communications.  Brie has close to 10 years experience in Ops/HR, and continues to grow...

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Katherine Whaley, BS, CASAC
Clinical Supervisor

Katie has been employed with CASA since 2010. She graduated from SUNY Brockport with a bachelors degree in Psychology and Health Science with a concentration in alcohol and substance abuse counseling....

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Brittany Jimenez

Brittany has been with CASA-Trinity for 2.5 years. Her previous work has been in inpatient and detox programs in Steuben County. Brittany has a B.S. in Psychology, a Masters...

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Bailey Johnson, BA CASAC-AD CRPA
Lead Clinical Supervisor, Elmira

Ms. Bailey began working for CASA-Trinity in July 2016. In her time with CASA-Trinity she has worked as a peer specialist, Chemical Dependency Counselor and a Peer Coordinator for...

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Robert Grolling, MPA, CADC, CASAC
Director of Programs - Corporate Compliance Officer

Robert Grolling is a Co-Director of Clinical Services in Pennsylvania. The facility includes a fully functioning Medication Assisted and Drug Free Outpatient Clinic and a Center of Excellence mobile case...

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Angaleen Trentanelli
Community Outreach and Engagement Supervisor


Kristyn O'Rourke
Sr. Program Director for Residential and Inpatient

Kristyn O'Rourke, LCSW, CAADC has been with CASA-Trinity of Bradford County since 2017. She graduated from the University of Southern California with a master's degree in social work in...

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Rachel Pena, CPP
Prevention Director

Ms. Pena was raised in Livingston County. Rachel graduated from SUNY Geneseo with a degree in Sociology and has over 15 years experience in the prevention field. Rachel oversees the...

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Erin Doyle
Prevention Supervisor, Chemung County

Erin is a lifelong resident of the Southern Tier of New York and was raised in rural Schuyler County, NY.  Erin holds an Associate's Degree in Liberal Arts and...

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Christina Olevano, CPP
Prevention Supervisor, Tioga County

Ms. Olevano has worked in the substance abuse prevention field for 9 years. She has a Master's Degree in Community Health from SUNY Cortland and is a NYS certified...

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