Our Team
Sara Marriott, MS, LPC
Chief Executive Officer

Sara has over thirty years experience working in the mental health field.
For the past fifteen years, she has worked for PSA. For ten of those years she was the
Clinical Director and Vice President of Operations, and for the last five she has been the CEO.
Sara has a broad background of experience that ranges from working with children and
adolescents to the SMI population.
Cassie Leavitt
Chief Operations Officer
Cassie has 15 years experience working in social services field (criminal justice, mental health, child and family experience).
8+ years working for the Regional Behavioral Health Authority with the Adult SMI population (clinical, evaluations, residential) of which 6 years where in a management capacity.
Licensed by the State of Arizona as a professional counselor.
Member of the American Counseling Association.
Gustavo McGrew, LISAC
President of Art Awakenings
Gustavo McGrew has recently joined PSA as President of Art Awakenings.
Gustavo has 23 years experience working the full continuum of behavioral health services including prevention,
intervention and treatment both as a practitioner and as an administrator.
Gustavo presently serves as a Board Member on the Arizona Council of Human Service Providers and is a
Commissioner on the Arizona Parents Commission.
Nicole Hoffman, LCSW
Vice President of Art Awakenings
As a Licensed Clinical Social Worker, Nicole has been in administrative and senior management positions in local non-profits for over a decade. Embracing the value of working with people with diverse backgrounds, challenges, and experiences, Nicole has managed programs serving families with histories of child abuse and neglect, pregnant and parenting teens, homeless and at risk youth, and in the field of early childhood education. She has worked in Maricopa County as well as rural communities throughout southern Arizona.
Michele Kaplan, MS, LMFT
Director of Clinical Services

Michele has close to 30 years of experience working in the Behavioral Health field, as both a private practitioner and in Community based agencies.
She has been both a direct service provider and an administrator. At PSA Michele has provided clinical direction and clinical and operational oversight to all of the programs.
She is committed to clinically excellent and culturally appropriate service delivery to program participants.
Michele is a clinical member of the American Association For Marriage and Family Therapists.
Mimi Bohlman
Board President

Mimi Bohlman and her husband Mac are business owners to his law practice, where she has acted as the legal secretary for 35 years. In addition, they own and operate Tri City go Cart Track in North Tempe.
Born in Moscow, Idaho, and growing up in Spokane, Washington, Mimi attended the University of Idaho. She became a flight attendant for West Coast Airlines, and the night before they received their wings, she met her husband.
Coming from Bloomington, Indiana in January, 1964 Mimi and her husband moved to the Valley of the Sun with their 2 year old son, Bill. The family settled in Tempe and has remained here ever since.
Mimi has been active in the ASU Faculty Wives Club, president one year; Tempe Jr. Women's Club; served on the board of the Tempe Center for Habilitation for approximately eight years and served as President for 2 years. She has been a member of the Zonta Club of the East Valley, originally the Zonta Club of Tempe, since 1978 and have served as President 3 times. Mimi has been a member of the Tempe Sister Cities Corp since 1971, and took the original exchange students to Skopja, Yugoslavia, now Macedonia, in 1972. Mimi has been active in her church in Tempe since joining in 1965. She served on the Tempe Community Council Agency Review board for about 5 years, and organized a women's auxiliary for the Tempe Salvation Army.
While serving on these boards and being active in organizations, Mimi and her husband raised their four children and participated in their activities, plus serving on various PTA committees with their schools.
Interesting life! Mac and Mimi have been married for 47 years and keep wondering where the time has gone.
William L. Raby
Board Member
WILLIAM L. RABY, retired Deloitte & Touche partner and emeritus professor of accounting at Arizona State
University, is a past vice president of the American Institute of CPAs and a past chair of its Tax Division.
A member of the U.S. Tax Court Bar, Dr. Raby served 12 years on the Arizona Board of Tax Appeals
(which hears appeals from actions of the Arizona Department of Revenue). He handles transactional tax
planning and tax controversies as a consultant to the Raby Law Office in Tempe, Arizona; co-authors
(with Burgess Raby) weekly tax practice articles for Tax Notes and for Tax Practice, weekly tax magazines
published by Tax Analysts; is the regular guest expert on the monthly CPE Network video tax tapes and the
monthly audio tax and financial planning tapes produced by Bisk Publishing for CPA continuing education;
and serves as a consultant to accounting and law firms, an expert witness in cases involving tax-related
matters, and an arbitrator in commercial disputes. From 1986-96, he wrote the Raby Report on Tax Practice,
a monthly newsletter on tax practice management.
He served in various offices in the Arizona Chamber of Commerce, and was chairman of its board in 1987.
The author or co-author of eight tax-related books, his CPA firm experience included heading the tax function
nationally for Touche Ross and then managing the Phoenix Touche Ross office, plus earlier partnerships in
Swenson & Raby, Rockford, Illinois, William L. Raby & Co., Tucson, Arizona, and Laventhol & Horwath
(where he was National Tax Partner and a member of the governing board from 1970 to 1977). He was the
1993-94 president of the Arizona State Board of Accountancy, is listed in Who's Who in America, and was named
to the Accounting Today list of the 100 most influential people in accounting nationally in 1994, 1995, 1996,
and 1997. In 1991, he was presented with the AICPA’s Arthur J. Dixon Memorial Award for service to the tax
profession. He previously served on the PSA board from 1991 to 1997, and rejoined the board in September 2006.
Lawn Griffiths
Board Member
Lawn Griffiths of Tempe joined the PSA board on January 1, 1987. During his 20 years on the board, he was first vice president, starting in 1991, secretary in 1993, and back to vice president in 1994. On Jan 1, 1995he became president and served as its president for three years. He was secretary again for a number of years and vice president since 2005.
Lawn lives in Tempe and is active at University Presbyterian Church, where he has served four three-year officer terms as a elder, deacon and trustee. Born in 1946in Des Moines, Iowa, he has a Bachelor’s Degree in journalism from Iowa State University (1968) and a master’s degree from the Medill School of Journalism at Northwestern University (1972). He served in the Peace Corps in Paraguay (1968-69) and the U.S. Army (1969-71). He was an editor and columnist at the Waterloo (Iowa) Courier, 1972-1984, and then moved to the Tempe Daily News as city editor and later managing editor. In 1987, he moved to the Mesa Tribune, now the East Valley Tribune and Scottsdale Tribune where he has been the Town Crier columnist and more than 15 years as a Spiritual Life Editor.
He has spent 35 years with the daily newspapers. He has served on about 15 community boards. Lawn has earned 70 awards in writing and community service. In 1992 he received the annual Outstanding Citizen Leadership Award from Tempe Leadership and in 1995 won Tempe’s highest honor, the Don Carlos Humanitarian Award. In 2004, the Tempe Historical Society named him one of the 35 “Tempe Living Legends.” Lawn and his wife of 33 years, Patty, have two married and grown children and two granddaughters.
Gerry Edson
Board Member
Gerry Edson began serving on the PSA Board of Directors in January of 1985. He currently volunteers with Habitat for Humanity and other similar agencies helping to build houses for the low income population, and helps to develop and maintain computer databases at Paz de Cristo.
Gerry has a BSEE degree (1949) and an MSEE degree (1950) from Texas Tech University, which has came in handy as an Electronic Scientist at the Navy Electronics Laboratory, San Diego, developing surface radar systems to locate (Russian) submarine snorkels in high sea states and developing a mortar locating radar system. Later, Gerry became a Motorola Project leader in the development of Army side looking airborne mapping radar systems AN/APS-85 and AN/APS-94 for sixteen years. Afterward he became the Project Director on development of remotely piloted aircraft and ground vehicles. He then became Chief Engineer in the Tactical Electronics Division of Motorola for sixteen more years, retiring in 1990.
Gerry and his wife, Nadine, have been married for 57 years. They have 2 daughters and 3 grandchildren, whom they are very proud of.
Carmen Guerrero
Board Member
Carmen Guerrero has a Bachelor of Arts degree in Economics from Oberlin College in Oberlin, Ohio. She performs regularly with her GUERRERO FAMILY BAND offering cultural programs to schools, libraries, churches and communities. Carmen serves on the board of many arts and civic organization in Mesa, Arizona.
As a musician in the educational system since 1982, Carmen is very committed to arts education. She is an Early Childhood Music Specialist with the National Wolftrap Foundation for the Arts.
As a visual artist she has done photography and exhibited internationally. Her latest artistic adventure is jewelry and she is fascinated with bead work and her passion is the creation of unique and expressive wearable art pieces.
As a community activist and organizer, she is a founding board member of the Comité de Familias en Acción - a neighborhood organization, incorporated as a non profit organization whose mission is to improve the living conditions of the low income Hispanic communities of West Mesa.
Her organizing abilities have been essential in developing Dia de Los Muertos festivals in Arizona for Xicanindio, Inc., the Heard Museum and the Cultural Coalition, Inc. She is the producer of the annual theatrical plays presented in the Phoenix area dedicated to issues of cultural literacy and social justice.
Ron Harness
Board Member
Ron is a retired Honeywell Electrical Engineer and a Computer Science Major with multi-year experience in the computer and avionics research and development.
Ron came to Arizona in 1965, transferring from General Electric. He has four children and nine grandchildren who all live in Prescott and Tempe.
Ron joined the PSA board of Directors as a parent of a mentally ill adult and is able to give much valuable insight as to ways the agency may provide support for its clients and their families.

|