Meet The Team


Barbara Holguin

Barbara Holguin is the owner and creator of the vision that has now become Discovery Alcohol & Drug Education Program. With 10+ years in the probation/parole background, criminal courts experience she wanted to create a platform of likeminded professionals of educators and counselors to come together and make a place where recovery could live. Since 2016 when she left the courts she has been building Discovery to what it has become now. 


Rachael Alizadeh

Rachael Alizadeh is the Licensed Chemical Dependency Counselor/Supervisor for outpatient services.

Rachael has worked in several different aspects of substance use including juveniles on probation or incarceration, inpatient/outpatient treatment, and helping mothers (and children) in a safe environment with substance use disorders.

She started this journey working in a Methadone treatment clinic while she completed her Internship. Rachael has been licensed with the State of Texas since 2011, when she graduated from San Antonio College with an Associate Degree in Substance Abuse Counseling and Counseling Psychology and continued her education at Texas A & M University: San Antonio.


Courtney Boyce

Courtney Boyce is a seasoned professional with a Bachelor’s degree from Lamar University, and almost 15 years of experience in the Criminal Justice and Public Safety fields. She has extensive knowledge of various educational classes, substance abuse treatment options, and court/legal procedures due to her experience with corrections, probation, and parole. She prides herself on being honest and helpful. She is a Houston native who loves spending time with her family and being outdoors.


Allyson Matvichuk

'Allyson Matvichuk is the Office Administrator for Discovery DWI. She graduated with a double Bachelor’s degree in Business Management and Business Finance from UMass Lowell in 2015. She is passionate about helping those with substance abuse issues, and hopes to expand upon her education by obtaining her LCDC-I sometime in the near future. She is a Boston, MA native and recently moved to Houston in 2019. She enjoys spending family time with her husband, 3 year old son & 3 dogs in her spare time.'

Discovery: Alcohol & Drug Education Program | 1100 E. NASA Pkwy. Suite 211A, Houston, TX 77058 | | 832.602.6065