Skip to content
About Oak Grove

Experienced leadership, grounded care.

Our leadership team brings years of experience in behavioral health, clinical operations, and program development. They understand the realities of treatment settings and the responsibility that comes with guiding both people and programs.

A sunlit dirt path through green woodland

Julie Cottrell

Human Resources Business Partner

Julie Cottrell brings more than 15 years of human resources experience to Oak Grove Recovery in Westerville, OH. She is passionate about building strong teams, supporting employee development, and fostering a workplace culture rooted in respect, accountability, and collaboration. As the Human Resources Business Partner, Julie oversees talent acquisition, employee relations, payroll, benefits administration, compliance, onboarding, training, and leadership support. She works closely with department leaders to make sure employees have the resources and guidance they need to thrive, helping Oak Grove deliver exceptional addiction treatment. Julie believes that when employees feel supported and valued, they are empowered to make a meaningful difference in the lives of the individuals and communities they serve.

Katie Gunter, Clinical Director at Oak Grove Recovery in Westerville, OH

Katie Gunter , LPCC-S

Clinical Director

Katie Gunter, LPCC-S, is the Clinical Director at Oak Grove Recovery in Westerville, OH, a licensed professional clinical counselor with supervisor endorsement and deep experience in trauma-informed and substance use treatment. She has worked across outpatient, hospital, and community-based settings, supporting adults, adolescents, and families navigating addiction, crisis, and co-occurring mental health disorders. In progressive clinical-leadership roles she has guided treatment teams, overseen individualized care planning, and ensured high standards of documentation and regulatory compliance, collaborating with psychiatrists, case managers, and court systems for coordinated care. Katie integrates internal family systems (IFS), CBT, DBT, motivational interviewing, and mindfulness-based approaches, with additional training in forensic counseling, crisis and trauma treatment, and religious trauma recovery. She is passionate about helping individuals and families heal from complex trauma and substance use disorders while building resilience, accountability, and long-term recovery.

Haja Jobarteh, Director of Nursing at Oak Grove Recovery in Westerville, OH

Haja Jobarteh , RN

Director of Nursing

Haja Jobarteh is the Director of Nursing at Oak Grove Recovery in Westerville, OH, a Registered Nurse with more than seven years of progressive experience in detox, psychiatric, and behavioral health settings. With a strong foundation in withdrawal management, medication administration, and patient assessment, she fosters safe, structured, recovery-focused environments for people with substance use and co-occurring disorders. Haja oversees nursing operations for detox and residential services, including staff supervision, scheduling, training, and performance development, and ensures compliance with state regulations, facility policies, and accreditation standards while coordinating closely with providers, therapists, and support staff. Her hands-on expertise includes conducting CIWA and COWS assessments, monitoring for withdrawal complications, and responding to crises with skill and composure. Above all, Haja believes compassionate, attentive nursing is central to every patient's recovery.

Nicholas Ruyack, Compliance Manager at Oak Grove Recovery in Westerville, OH

Nicholas Ruyack , MSW, LSW

Compliance Manager

Nicholas Ruyack, MSW, LSW, serves as Compliance Manager at Oak Grove Recovery in Westerville, OH, where he oversees regulatory compliance, quality improvement, and policy development across the facility's residential treatment units. He brings a diverse background spanning clinical practice, technology, and finance, giving him a well-rounded lens on both the clinical and operational sides of behavioral health care. His work helps Oak Grove consistently meet the standards set by the Ohio Administrative Code, The Joint Commission, and Ohio Medicaid, so patients and families can trust the quality and integrity of the care they receive. Nicholas holds a Master of Social Work and is a Licensed Social Worker in the state of Ohio.

Ready to talk?

Our team is here, 24/7.

Whether you have questions about our approach or you're ready to take the next step, our admissions team is available around the clock.