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Lenawee Office                        Hillsdale Office

770 Riverside Ave.                   110 Reading Ave.

Suite 11                                        Jonesville, MI 49250

Adrian, MI 49221                      Tel: 517-849-2333

Tel: 517-264-2244                   517-849-2330

Fax: 517-263-3325                   Fax: 517-849-2906

Services We Offer

Click for a comprehensive list of all services offered.

Learn More

Meet Our Team


Gary McCullough

Co-owner and 

Chief Executive Officer

Gary began volunteering in human services in 1975 and then worked in multiple settings providing mental health and substance use services. With years of experience, Gary prides himself as one of two founding members of McCullough, Vargas and Associates.  He founded MVA in 1990 with his good friend, Roy Vargas. As he enters the latter years of his career and approaches retirement, he enjoys spending more time with family and  hobbies such as hunting and fishing.

Elisia Dumire

Financial Director

Elisia has worked for McCullough, Vargas and Associates since 1998, in various capacities.  She is a vital component to the team, managing financial aspects for all programs and services. Her quality-improvement and fiscal oversight help the team stay organized.  In her free time she enjoys spending time with family, reading, and listening to podcasts.

Kelly Vanbuskirk

Program Manager of Hope House and Program Director for Hillsdale County

Kelly began working for McCullough, Vargas and Associates in 2011. Her grant writing skills have been essential in expanding residential and transitional housing programs. Kelly also enjoys organizing recovery events in the community, like the Hope House Annual Hog Roast. 

Melissa Vargas

Clinical Director and Program Director for Lenawee County

Melissa has been working in the mental health and substance use field since 2005, even though she began volunteering in the 1990s.  She is passionate about working with individuals who struggle with co-occurring disorders. She incorporates a variety of therapeutic models, including DBT-informed interventions, in her practice.  She completed her Master's degree from Eastern Michigan University. Melissa has a reputation of thinking outside the box, which is an asset to her team and in clinical practice.  In her free time Melissa enjoys games, craft projects, outdoor adventures, gardening, and spending time with family.

Hillsdale County Substance Abuse Prevention Coalition

McCullough Vargas in Jonesville works closely with the prevention coalition in Hillsdale County. Please visit their website or Facebook page for more information.