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Meet the Team Behind Discovery

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Barbara Holguin

Founder, Owner, Director of Research

Barbara Holguin is the founder of Discovery Alcohol & Drug Education Program and the driving force behind its vision. With over 10 years of experience in the probation and parole system and extensive work within the criminal courts, she recognized the need for a program that brings education, treatment, and support together in one place.

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Since 2016, Barbara has been building Discovery into a trusted resource where professionals, educators, and counselors collaborate to support individuals through every stage of the process. She oversees all clinical programs, ensuring consistent, high-quality care across the organization.

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Vanessa Lynn Smith

DIRECTOR, OPERATIONS & STRATEGY

Vanessa Lynn Smith is the Director, Operations & Strategy at Discovery Alcohol & Drug Education Program and the driving force behind its operational structure and continued growth. With more than 20 years of executive leadership experience across human resources, business administration, and financial operations, she brings extensive expertise in strategic planning, compliance, organizational development, and process improvement.

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At Discovery, Vanessa develops the systems, financial processes, and operational strategies that turn the organization's vision into sustainable growth. She is also pursuing her Licensed Chemical Dependency Counselor credential, strengthening her understanding of the clients, programs, and communities Discovery serves.

OUR TEAM

Qualified professionals supporting education, treatment, and recovery
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Courtney Dickerson
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T4C Instructor

Courtney holds advanced degrees in Criminal Justice and Counseling and has over 20 years of experience in probation and mental health. She focuses on cognitive behavioral programs, helping clients challenge and improve their thinking patterns.

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Sherry Gould, LPC, LCDC
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Licensed Professional Counselor

Sherry works with adult clients in a counseling setting, with a focus on trauma and PTSD. Her background as a school counselor adds depth to her approach, providing a wide range of support for clients.

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Andrea Henderson
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DWI Education Instructor

Andrea brings decades of experience in probation and criminal justice. Certified since 2006, she is dedicated to helping clients understand the impact of their choices and apply what they learn to create lasting change.

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James Luber
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LCDC, Quality Control Consultant

James provides quality control and compliance auditing support for Discovery's clinical programs on a consulting basis, drawing on his background in mental health and substance abuse from the University of Richmond and San Jacinto College.

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Rosa Newman
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LCDC-I, T4C Spanish Facilitator

Rosa is a Licensed Chemical Dependency Counselor Intern and certified Thinking for a Change facilitator. She specializes in intake, assessment, and outpatient programs, supporting clients with evidence-based tools and structured guidance.

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Maria Kosanovich
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LCDC-I, Spanish IOP

Maria holds a degrees from Colombia and Illinois in Law and Chemical Dependency. She is a group counselor for the Spanish speaking IOP and SOP treatment programs. Maria is a compassionate Case Manager experienced in Latino environments.

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Melinda Solano
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Spanish DWI Instructor,

Program Manager

With over 11 years of experience in substance abuse treatment, Melinda specializes in working with the Spanish-speaking community. She focuses on supporting court-mandated clients and brings both experience and dedication to her role as Program Manager.

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Andrew Haltiwanger
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LCDC-I, IOP & SOP Counselor,

Intern

Andrew is a Licensed Chemical Dependency Counselor Intern with three years of experience in chemical dependency treatment. He works with clients in both IOP and SOP programs, providing support throughout their recovery process. Andrew brings empathy, patience, and a strong commitment to helping clients move forward.

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Brandon Hartzburg
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Peer Support
Specialist

Brandon is a U.S. Army veteran and certified Mental Health and Recovery Peer Support Specialist. He brings both lived experience and professional training to his work, supporting individuals through recovery and personal transition. With a background in mentoring and leadership, Brandon is passionate about helping others build stability, find purpose, and move forward beyond addiction and trauma.

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Chevas Rainer
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Recovery Peer Support Specialist

Chevas Rainer was certified as an RSPS in April 2022. She lives in the Clear Lake area with her husband and twin children. Chevas is eager to encourage her clients in their sobriety journey with the tools she hails from her own recovery. She is active in the recovery community and provides Discovery clients individual aftercare support.

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