Management Staff

---> Chellie McLellan

Chellie McLellan

  • President and Chief Executive Officer

Chellie joined the organization in June of 2020, where she brought with her over 25 years of experience of successfully running several nonprofits. She’s focusing on fostering and maintaining a culture of excellence by consistently applying her comprehensive fundraising, financial, and management backgrounds to the daily ins and outs of the organization.

---> Sharlene Brown

Sharlene Brown

  • Vice President and Chief Financial Officer

In Sharlene’s role as the Vice President and Chief Financial Officer (CFO), she is responsible for overseeing all aspects of financial operations.

---> Kat Engel, R.N.

Kat Engel, R.N.

  • Chief Operating Officer

As Chief Operating Officer, Kat provides leadership, support, and education to staff to ensure that our day-to-day operations continue to provide the highest quality care to CAT's patients.


---> Tricia White

Tricia White

  • Chief Human Resources Officer

In Tricia’s role as Chief Human Resources Officer at Center for Addiction Treatment (CAT), she guides the oversight of all human resources and people operations within the organization.

---> Patti Webb

Patti Webb

  • Chief Administrative Officer

As Chief Administrative Officer, Patti Webb provides management of access to services as well as oversight of all patient health information related policies and processes.

---> Ebony Marshall

Ebony Marshall

  • Director of Nursing

In Ebony’s role as the Director of Nursing at Center for Addiction Treatment (CAT), she provides direct leadership to all Nursing, PCTs, and related staff.

---> Jacob Beuerlein

Jacob Beuerlein

  • Director of Clinical Services

As the Director of Clinical Services at Center for Addiction Treatment (CAT), Jacob provides direct leadership to all counselors, case managers, & peer mentors. He also oversees all clinical processes for both inpatient and outpatient services.

---> Nikki Smoot

Nikki Smoot

  • Manager of Quality and Compliance

In Nikki’s role as Manager of Quality and Compliance, Nikki leads in the maintenance and improvement of integrity for Center for Addiction Treatment’s contracts, grants, records, and accreditation standards.