Meet our current board of directors as well as our executive management team.


Our volunteer Board of Directors meet monthly. If you are interested in joining the Cornerstone Montgomery Board of Directors, please contact Cari Guthrie at 240-614-4238 or via email: Cari.Guthrie@cornerstonemontgomery.org.

Ms. Catherine Costopoulos, Chair

RMR Real Estate Services

“I love property management, every day is an adventure. I look forward to working with the Cornerstone Montgomery team and assisting them in any way I can with their commercial and residential property management needs.”

Ms. Costopoulos is a seasoned Real Estate Professional with over 25 years’ experience in Property and Construction Management. Ms. Costopoulos has worked for the RMR Group since 2009 and manages over 1.5M square feet of commercial and flex space. She is a Certified Property Manager (CPM) with the Institute of Real Estate Management (IREM) as well as an Real Property Administrator (RPA) with the Building Owners and Managers Institute.

Mr. James Washington, Vice Chair

Seventy2 Capital

Mr. Washington is a Wealth Advisor with Seventy2 Capital in Bethesda, Maryland. There he offers tailored advice and customized service employing goal based investing to help mitigate his clients’ life risk and give them peace of mind. He identifies their specific needs, goals and objectives and make sure they are taken care of as they transition through the different phases of life. Born in Washington D.C. and raised in Silver Spring, Maryland, he graduated from the prestigious DeMatha Catholic High School in 2004. Mr. Washington enjoys spending his free time with friends and family. He is an avid Washington Redskins and Washington Wizards fan. His other hobbies include running, playing in recreational basketball and flag football games, watching movies and volunteering with a local Boy Scout Troop in Washington D.C.

Mr. Moe Abutaleb

UltiStat, Inc. (Retired)

“Cornerstone Montgomery’s programs support the most vulnerable in our community and are so important during these challenging times, and I am honored to joing the board. Its success over the years has been highly impressive and I look forward to leveraging my entrepreneurial background in helping to fulfill the organization’s aspirational future goals.”

Mr. Abutaleb is a seasoned telecom and aerospace industry executive with 40 years’ experience in the development and implementation of advanced satellite and wireless communications technologies and services. His career includes the formation of several start-ups that were organically built and grown and subsequently sold to publicly listed companies. With a strong sense of customer service, his businesses have prioritized the client’s objectives, developing innovative best-value solutions in response to unique application requirements. While developing many industry-first technology solutions, he also co-authored a number of patents related to satellite and wireless technologies and network security solutions, and in 2011 was presented with the Technology Council of Maryland’s prestigious Executive of the Year Award. Mr. Abutaleb holds a Master of Science in Electrical Engineering degree, with an emphasis in communications and microelectronics, from the University of Maryland. He serves on several corporate and non-profit boards and is an active member of the National Association of Corporate Directors (NACD). Mr. Abutaleb is married with three grown children and his family has resided in Montgomery County since the early-80’s.

Ms. Alice Santoro

Montgomery College

“I believe all community members should feel valued, supported and prepared to succeed. The team at Cornerstone Montgomery has shown through a commitment to providing comprehensive behavioral health services that they too believe this and are working to make this a reality. I am extremely honored to be able to support this work.”

Ms. Boatman is an associate dean of student affairs at Montgomery College where she chairs the campus behavioral intervention team and assists students in crisis. She has 24 years of experience in higher education, affording her a diverse professional background in the areas of public safety, emergency preparedness, academic advising, counseling and teaching. Ms. Boatman is a Licensed Clinical Professional Counselor (LCPC) and works part-time as a mobile crisis clinician in Anne Arundel County. She has also supported community members by serving as a psychiatric rehabilitation aide in Baltimore City and Anne Arundel County.

Mr. Joey Chambers

Capital Bank

Joey Chambers is Vice President of Business Development, Non-Profit Banking at Capital Bank. He has work in the financial services for over 30 years. Mr. Chambers started his career with Equitable/Maryland National bank and retired with successor Merrill Lynch. He has work in Consumer Bank, Human Resources Business Banking and Global Wealth Banking during his career. Mr. Chambers has hosted series of Lunch & Learn Seminars for the Non-Profit Community. In his free time Mr. Chambers serve as a Football Official for youth football in the Washington area.

Erkan Erdem, PhD


Dr. Erdem is a Principal at KPMG, LLP with training and experience in program evaluation, policy analysis, statistical modeling, econometrics, and data analytics. He has extensive experience with health care reform, Medicare payment systems, risk adjustment, value-based payment models, and analyses based on health care claims databases. In recent years, Dr. Erdem has led health care projects for many Federal and state clients, including the Centers for Medicare & Medicaid Services (CMS), New York State Department of Health, and Health Services Cost Review Commission (HSCRC) in Maryland, which involve program evaluation, data analytics, economic analyses, and development of tools and visualizations to. Dr. Erdem has authored many peer-reviewed journal articles and has presented his research at national conferences. Dr. Erdem holds a Ph.D. degree in Economics from the Pennsylvania State University.

Ms. Amanda Freeman

St. Luke’s Episcopal Church

“Working with Cornerstone Montgomery is important to me as a memeber of St. Luke’s Episcopal Church that was part of Cornerstone Montgomery’s founding. I want to support the needs for behavioral health in Montgomery County and help St. Luke’s be a good neighbor for the Southport Hub.”

Ms. Freeman is a D.C. native and a retired high school history teacher. She is an active member of St. Luke’s Episcopal Church, one of the founding members of Cornerstone Montgomery. Coming from a family that has struggled with mental health challenges and substance use disorders, Amanda is excited to support Cornerstone Montgomery’s mission. Amanda is actively engaged in anti-racism work. Her other interests include spending time with family and friends, reading and being active outdoors.

Ms. Ashley Freeman


“Cornerstone Montgomery continuously makes a major impact in the lives of some of the most vulnerable people in our community. I admire the organization’s dedication to providing holistic services that address the needs of housing, vocation, and psychiatry. I have worked as a mental health advocate for several years in my local community so I am honored to have the privilege of serving on the board so I can contribute to Cornerstone Montgomery’s mission.”

As a resiliency activator, Ms. Freeman empowers individuals to realize that their circumstances don’t hinder the future, instead they are stepping stones to success to reveal how resilient a person truly is. Her parents were substance users so her 72-year-old Nana raised her. The void left by her parents led to depression and suicidal ideation until realizing obstacles aren’t meant to hold you back, they propel you forward.

Ashley utilizes her platform, DontDieAfraid.com to create inspirational content, facilitate mental health workshops, and advocate for the de-stigmatization mental health. Ashley finds joy in impacting the lives of youth through re-assuring them that someone believes in them, sharing her journey, and providing resources to help them achieve their goals. She transforms her life experiences into a message of resiliency to act as a catalyst to encourage others to “Don’t Die Afraid.”

Ms. Christine Fruehwirth

FlexCareers Consulting

“In my coaching practice and within my own family, I have seen the benefits to those suffering from mental illness when those individuals have access to, and engage in, mental health treatment services such as those offered by Cornerstone Montgomery. As a career services professional, I am excited to see this outstanding organization’s commitment to helping clients find and keep employment to stay on the path to recovery. I look forward to joining this board and giving back to the Montgomery County community that I am honored to live in.”

Christine Fruehwirth has had more than 15 years of career counseling and life coaching experience through her successful business, FlexCareers Consulting. Her focus and passion has consistently been helping stay-at-home parents return to the workplace and working parents who are looking for more balance in their lives. From 2009 to 2019, Christine also worked as a Career Consultant and Instructor of a Career Management Strategy course at George Washington University, and most recently at Georgetown University in Washington D.C. ​

She developed an expertise in helping undergraduates of all majors recruit for and successfully obtain internships and full time positions in the Financial Services industry. She spent a decade in that industry focused on consumer and later investment banking, working for major financial institutions including Bank of America, Capital One and Wells Fargo. Her last few years in the industry were spent at Lending Tree on the senior leadership team.

Christine earned a Bachelor of Science degree in Business from Villanova University in 1991 and an MBA from the Darden School of Business at the University of Virginia in 1996. She currently volunteers as a consultant through Compass Pro-Bono non-profit organization and as a Parent Ambassador for the Blue Ridge School where her youngest son attends.

Ms. Jennifer Jette

Friedlander Misler, PLLC

Ms. Jette is a Montgomery County native and a partner at Friedlander Misler, PLLC where she concentrates her practice in commercial real estate law, working with developers and investors in all aspects of the acquisition, development, sale, financing, and leasing of industrial and mixed-use property, multi-family housing, affordable housing projects, and office buildings. Ms. Jette also advises on various corporate matters and assists buyers and sellers of multifamily properties in the District of Columbia on compliance with the District of Columbia Tenant Opportunity to Purchase Act.

Dr. Tami Mark

RTI International

“Cornerstone Montgomery is dedicated to ensuring that their clients receive the services that will allow them to reach their full potential. I joined the board to support their mission of continuous innovation and quality improvement in the delivery of effective, patient-centered mental health and substance use disorder treatment.”

Dr. Mark is an internationally known expert on behavioral health care financing and services. Dr. Mark has authored 95 scholarly peer-reviewed journal articles and numerous government reports. She was a contributing author to the report Facing Addiction in America: The Surgeon General’s Report on Alcohol, Drugs, and Health. She has served on technical expert panels for the National Institute on Drug Abuse (NIDA), National Institute on Mental Health (NIMH), National Institute on Alcohol Abuse and Alcoholism (NIAAA), Substance Abuse and Mental Health Services Administration (SAMHSA), National Quality Forum (NQF), and other organizations. She directed the development of the SAMHSA Behavioral Health Spending Accounts. She has led numerous projects for SAMHSA, Centers for Medicare & Medicaid Services (CMS), Office of the Assistant Secretary for Planning and Evaluation (ASPE), and other agencies to support the development, implementation, and ongoing evaluation of the Mental Health Parity and Addictions Equity Act (MHPAEA). Under contract to CMS and SAMHSA, she contributed to the development of substance use disorder quality measures. She has worked with state governments to improve their substance use treatment systems through analytics and technical assistance. She is frequently asked to speak at national conferences and with the press about behavioral health policy.

Mr. Mark Robins

Aronson, LLC

” I believe in the Cornerstone Montgomery mission and that services provided to people with mental health disabilities are imperative to our local society, and can be life changing for the client. The postive community impact provided by Cornerstone Montgomery is inspiring.”

Mr. Robins is a partner with Aronson, LLC. He works in the firm’s Nonprofit and Association Industry Services Group. Mr. Robins specializes in assurance and consulting services for foundations, public charities, schools and service organizations. His experience with fair value concepts, investment portfolios, federal compliance and revenue recognition issues allows him to be a valued resource for nonprofit organizations. He enjoys sharing his knowledge of financial reporting and internal controls. He is a member of the Finance Committee.

Ms. Sarah Sowden

The Food and Drug Administration

Dr. Orlando Wright

American Society for Addiction

“The mission of Cornerstone Montgomery aligns well with my personal and professional mission to impact individuals, our community, and ensure quality care reaches those who need it the most.”

Dr. Orlando Wright is a behavioral scientist who holds a Master of Social Work from the University of Connecticut and a Ph.D. in Human Behavior from Capella University. Dr. Wright is the Director of Partnerships and Innovation at the American Society of Addiction Medicine (ASAM) where he oversees national partnerships with commercial and Medicaid payers, states, and other public entities.

Previously, he facilitated inter-agency collaboration across 6 partner hospitals, community-based organizations, and the Local Behavioral Health Authorities to optimize and develop behavioral health resources within Montgomery and Prince George County, Maryland.

He is a board-licensed clinical social worker and supervisor in Maryland, USA. He has over 20 + years of experience in clinical service delivery, management, behavioral health systems, & partnership development. He was appointed by Howard County’s executive Calvin Ball to the Howard County Local Behavioral Health Authority where he is the chair of the critical indicators committee. He enjoys innovation within the behavioral health space and continues to optimize, drive, and facilitate groundbreaking ideas in the field of behavioral health.

He authored, “Parenting Status Offending Youth: Parent’s Perceptions of Diversionary Services in the Juvenile Justice System,” and co-authored, “Soaring into Greatness.”


Cari A. Guthrie

President and CEO

Benjamin Hendricks

Director of Information Services

Lisa Katz

Chief Program Officer

Jacob Schans

Director of Facilities and Property Management

Marisa Gillum

Chief Administrative Officer/Chief Compliance Officer

Ernest Kumi

Director of Quality Assurance

Chris Brandt

Chief Development Officer

Subash Luitel

Director of Finance

Tracey Stevens

Chief Financial Officer, Treasurer

David Bridges

Director of Nursing and Integrated Health

Susan Wilkoff

Director of Billing and Utilization Management

Kelly Gill

Director of Clinic Services

Liz Gatti

Director of Human Resources

Elise Bhagwat

Director of Crisis Services

Anne Peyer

Director of Vocational and Community Services

Alexandra George

Director of Residential Rehabilitation Services