GRAND Mental Health has a seasoned leadership team dedicated to improving life by making long-term, positive generational impact. We want to leverage the mental health industry as a launching pad to change the course of communities around the globe for the better. We are not just saving lives today, which inherently creates its own ripple effect of positivity, we are creating and establishing best practices that prioritize a community’s mental health through innovation, transparency, and a tenacious spirit, encouraging people to live their best lives.
Executive Team
Josh Cantwell
Chief Executive Officer
Josh Cantwell
Chief Executive Officer
Josh Cantwell brings a wealth of experience and expertise to his role as chief executive officer, having joined GRAND in 2004, and previously risen to his most recent role as chief operating officer. As chief operating officer, Josh guided the day-to-day operations of GRAND Mental Health’s 31 locations and centers in 13 Oklahoma counties, employing more than 1,700 staff. During his tenure with GRAND, Josh has been instrumental in the development and oversight of many of the agency’s breakthrough mental health programs including GRAND’s patented 24/7 treatment model, which utilizes mobile technology and numerous levels of care to provide instant access to treatment when and where it is needed.
Both a licensed clinical social worker (LCSW) and certified peer recovery support specialist (CPRSS), Josh holds a master’s degree in business from Rogers State University and a master’s degree in social work from the University of Oklahoma. His nearly 20-year career in the mental health field includes leadership roles at ROCMND’s Tulsa Area Prevention Resource Center and the Oklahoma Mental Health Courts system. In addition, Josh has created and published more than 20 therapeutic games focusing on mental health and substance use. He is well positioned to lead GRAND’s future growth and continued mission to improve the lives for those they serve.
Lissa James
Chief Continuous Quality Improvement Officer
Lissa James
Chief Continuous Quality Improvement Officer
Working as a psychiatric attendant at Eastern State Hospital in Vinita at age 17 led to Lissa’s decision to focus on mental health. Today, she has nearly 52 years’ experience in the mental health field, spending that last almost 45 years with GRAND Mental Health in positions from outpatient therapist, satellite coordinator, county administrator, and regional administrator to children’s program director, clinical director, integrated health director, and chief compliance officer.
In her current role, Lissa oversees CQI, compliance, medical records, legal, policy and procedure, and clinical auditing across the entire GRAND Mental Health organization.
Lissa is a licensed professional counselor and has received both the CW Ramana Award honoring her 25 years of service to children and Case Manager Supervisor of the Year Award.
Donna Aultz
Chief Facilities And Maintenance Officer
Donna Aultz
Chief Facilities And Maintenance Officer
Donna has been with GRAND Mental Health for nearly 40 years. She started her career at GRAND in the finance department and has been a pillar of the organization ever since. A self-proclaimed “doer and fixer,” Donna puts her passion to work every day as GRAND’s chief facilities and maintenance officer.
In this role, Donna has responsibilities that span the organization’s entire geographical footprint across 13 Oklahoma counties. She’s in charge of all safety and compliance efforts at GRAND, oversees the planning and operations of all GRAND facilities, and is responsible for protecting and maintaining the assets within those spaces. In addition, she is in charge of GRAND’s fleet of vehicles. Her goal is to always provide a safe, inviting environment for GRAND employees and clients across all services.
Jeff Harlin
Chief Administrative Officer – Tulsa
Jeff Harlin
Chief Administrative Officer – Tulsa
Jeff has been with GRAND Mental Health for 20 years and has worked in the mental health field for 26 years. He started his career as a psychiatric technician at a children’s psychiatric inpatient hospital, then worked as a utilization review specialist and finally a therapist before coming to GRAND.
Jeff joined GRAND as a supervisor for children’s programs in Rogers and Mayes counties. Since then, he’s held a number of increasingly senior roles within the organization. In his current position, he provides oversight and supervision for the GRAND Addiction Recovery Center and the Tulsa Outpatient Certified Community Behavioral Health Center (CCBHC) site. He is responsible for all aspects of operations in Tulsa County.
Jeff’s passion is helping to build future leaders within GRAND and expanding the organization’s service offerings to help more people gain access to the support they need. He appreciates the innovative, out-of-the-box approach to improving mental health care that is core to culture at GRAND. In 2021, he was honored with the CW Ramana Award for his outstanding work with children.
Kimberly Hill-Crowell
Chief Clinical Officer – Tulsa
Kimberly Hill-Crowell
Chief Clinical Officer – Tulsa
Recognizing early on that everyone’s life is somehow impacted by mental health and/or substance use, Kimberly followed her passion to make a positive impact by choosing a career centered around working with children and families. Starting as a “childcare worker” in a youth shelter, she has since held a wide variety of roles in her 25+ years in the mental health field.
Kimberly has served GRAND for more than 17 years. In her current role, she is responsible for overseeing the clinical operations and healthcare delivery with Tulsa county for GRAND. She plays a key role in developing and implementing clinical strategies, ensuring quality client care, and collaborating with other executive leadership to achieve GRAND’s healthcare goals. Her primary focus is to improve clinical outcomes, client safety, and maintain fidelity in GRAND’s treatment models.
Throughout her career, Kimberly has contributed to the advancement of mental health treatment, publishing works including co-authoring Working Therapeutically with Families: Creative Activities for Diverse Family Structures and presenting at several industry conferences including the International School Social Work Conference in Pusan, Korea in 2006.
Nicholas Allgood
Chief Clinical Officer – Crisis Services
Nicholas Allgood
Chief Clinical Officer – Crisis Services
Nic has been in the metal health field for 14 years, first providing residential substance use treatment at a correctional facility before moving to GRAND Mental Health 2 years later as a behavioral health rehabilitation specialist. Moving up to therapist and then administrative roles, Nic was appointed to the executive team in 2022.
In Nic’s current role, he’s head of crisis services, as well as housing, outreach and engagement, law enforcement relations and medical services. He is responsible for developing, implementing, and monitoring crisis procedures and protocols centered on serving individuals in their most vulnerable state with dignity and kindness. He oversees all outreach and engagement efforts, as well as housing efforts to create opportunities for the unhoused to find stable living, as well as the homeless to receive information and services when ready. Fostering positive law enforcement relationships throughout GRAND’s service area also falls under Nic’s purview, as does oversight of the medical services program which includes numerous physicians and psychiatrists, as well as advanced practice providers, registered nurses, and other various medical personnel. This includes monitoring physical and mental health medical needs, as well as providing quality health outcomes for individual clients and leading innovative medical treatment throughout communities in the GRAND service area.
Trica Walters
Chief Human Resources Officer
Trica Walters
Chief Human Resources Officer
Trica joined GRAND Mental Health in 2015 as the benefits administrator. Prior to that, her career had been in HR and risk management fields in retail, public power, and small business HR consulting. Trica says her entering the mental health field came at a perfect time, as circumstances around her gave her a personal connection to the mission of GRAND Mental Health.
Trica has held many positions at GRAND. In her current role, she oversees all the human resources, learning and professional development, and marketing/public relations functions for GRAND. This includes developing and executing human resource strategy in support of the overall business plan and strategic direction of the organization, specifically in the areas of succession planning, talent management, change management, organizational and performance management, and compensation. Her learning and professional development duties include fostering a culture of continuous learning, talent development, and driving organizational growth through effective learning strategies. Her role also gives her responsibility for overseeing the planning, development and execution of marketing and advertising initiatives, playing a vital role in the organization’s growth, and providing influence in creative and business strategy.
Amy Garrison
Chief Administrative Officer – Northeast/North Central
Amy Garrison
Chief Administrative Officer – Northeast/North Central
Amy joined the GRAND Mental Health team in 2019. Her extensive experience in building and managing complex operational structures within the healthcare industry spans 20+ years and includes leadership roles at leading healthcare providers including St. John and St. Francis Health Systems.
In her role as chief administrative officer, Amy is responsible for all operational functions in GRAND’s 12 northeastern and north central Oklahoma counties. This includes ensuring consistent services provided throughout the GRAND service area, increasing the number of clients receiving services, increasing and expanding programming, and optimizing processes and resources to ensure best-in-class client care.
With a master’s degree in business administration from Oklahoma Wesleyan University, Amy’s business acumen plays a vital role in driving GRAND’s growth and prosperity
Matthew Spencer
Chief Clinical Officer – Northeast/North Central
Matthew Spencer
Chief Clinical Officer – Northeast/North Central
Matthew began his career in the mental health field in 2008 doing research at Oklahoma State University. He has substantial practicum experience with the aging population in the hospital setting and has worked in an inpatient setting with children. In 2012, he began working in the community mental health field and fell in love with providing services to the community.
Matthew began his career with GRAND as a behavioral health professional. Since then, he has held many positions and titles within GRAND including mental health court therapist, adult services administrator over the Washington county clinic, clinical director in Rogers county, regional clinical officer and more. He has facilitated substance use and intensive outpatient groups and helped build and develop the Mental Health Court in Washington county.
In his current role, Matthew oversees the clinical services being provided in GRAND’s 12 rural counties. He is the supervisor to the regional clinical officers, who oversee the agency clinical directors, and he works in tandem with Amy Garrison, Chief Administrative Officer-GRAND, to ensure that the quality of services being provided at GRAND follows best practices in the field.
Rony Gadiwalla
Chief Information Officer
Rony Gadiwalla
Chief Information Officer
Rony has over 18 years of expertise in information technology, including in-depth experience in managing IT compliance and audit requirements. As CIO for GRAND, Rony oversees all company systems and technology needs, as well as lead the organization’s digital transformation and related business practices. Prior to joining GRAND, he spent 8 years developing and leading IT strategies for a world-leading, publicly traded manufacturing firm based in Tulsa, OK.
Having received a Bachelor of Science from the University of Toronto, specializing in software engineering with a minor in Mathematics, Rony most recently earned a Master of Science in Cybersecurity from the University of Tulsa. A servant leader with a strong sense of community engagement, his volunteer experience includes Tulsa Area United Way, Big Brothers and Big Sisters of Oklahoma, Crosstown Learning Center, and Meals on Wheels of Metro Tulsa.
Jared Sawyer
Chief Financial Officer (Interim)
Jared Sawyer
Chief Financial Officer (Interim)
Jared has over 18 years of leadership and financial experience. He began his career in the mental health and substance abuse field in 2017 at 12&12 as the controller. He moved into the role of CFO a couple of years later and helped during the merger with GRAND Mental Health in 2021.
In his current role, Jared oversees the financial and billing operations for GRAND to ensure that all the audit and financial requirements are met and that best practices are followed.
With a Bachelor’s Degree in Business Administration, specializing in Accounting from Northeastern State University, Jared’s business decision-making and financial reporting play a vital role in driving GRAND’s growth.
