Our Leadership

Honed by decades of experience, Compass Health is proud of our leadership team’s broad clinical and operational expertise within the behavioral healthcare industry. Together, they are leading us into the future of integrated healthcare, and setting an example for the entire industry to follow.

Executive Team

Tom Sebastian, MS, MPA

President/CEO

Tom Sebastian is the president and CEO of Compass Health, Northwest Washington’s behavioral healthcare leader. Throughout his 35-year career, Tom has held many clinical and leadership roles at the organization, growing its transformational impact through community partnerships, outreach and advocacy.

At Compass Health, Tom oversees 600-plus dedicated and highly skilled team members who serve more than 11,900 clients annually throughout Snohomish, Skagit, Island, San Jan and Whatcom counties. With Tom at the helm, Compass Health delivers innovative, evidence-based care, integrating services for mental health, substance use and medical care to support whole person health.

Tom’s advocacy also extends into Washington’s larger behavioral health community, where he is a founding member of Fourfront Contributor, a leadership and advocacy collective of four of the largest community behavioral health agencies in Washington. He is also a member of the Board of Directors for the Washington Council for Behavioral Health, and a board member for MHCA.

Other Corporate Appointments:
– Co-CEO Behavioral Health Northwest
– Chair (Former) and Board member (2008) Washington Community Mental Health Council 2008-Current
– Board Member, MHCA
– Vistage, Member
– Snohomish County Health Leadership Coalition Steering Committee (SCHLC)
– Mental/Emotional Health Committee (SCHLC) Chair
– Program Council member, North Sound Accountable Community of Health

I am most fulfilled by using my experience to empower those around me to thrive. Faith, family, laughter, and community service are my constants. As an avid marathoner, I embrace a commitment to persist through the long-hauls, while appreciating each step by recognizing that the present is a gift to be cherished.

Tom Sebastian

Becky Olson-Hernandez, LMHC, CMHS

Chief Quality Officer

Becky Olson-Hernandez has been with Compass Health since 2001 where she began as the Manager of Children’s Crisis Services and then advanced to the Director of Emergency Services.

She is a native of Washington State and received her Masters of Science at Western Washington University in 1994. Becky is a Licensed Mental Health Counselor, Mental Health Professional, and Children’s Mental Health Specialist who has worked in the field in a variety of community-based and inpatient settings since 1987.

In her current role, Becky oversees quality development, training medical records, and information technology. During her tenure, Becky has been involved with Compass’s Healthcare Integration initiatives, has provided operational support to the Behavioral Health Northwest, and has spearheaded several projects related to safety in the workplace.

In addition to her clinical and administrative experience, Becky is a Certified Mental Health First Aid trainer and has provided this training throughout the community since 2008. Becky most enjoys Compass Health’s mission and interacting with and supporting the amazing staff she works with every day.

Missy Judd

Chief of Staff

Missy has been with Compass Health since April of 2016. Missy brings 10 years of executive assistant and management experience to the Compass Health Team. Missy directly supports the CEO Tom Sebastian, along with assisting the entire Executive Team. Her extensive experience with all executive tasks has tailored her skills to meet Compass Health’s various needs.

In addition to her duties as Executive Assistant, Missy participates as a Co-Champion for the Living Healthy Mental Health First Aid Accelerator and is on a local Executive Assistant Roundtable.

Missy lives in the local area with her husband and two kids. In her spare time, Missy and her family enjoy camping, gardening, traveling, and cooking.

Stacey Alles, LMHC, GMHS

Chief Operating Officer

Stacey has been at Compass Health for over twenty years. She started her career as a clinician working with older adults, and eventually transitioned into management, first in the quality department and now as Chief Operating Officer. In her role as COO, Stacey serves as a champion for client experience, operational excellence, and compassionate care. She is responsible for the continuum of clinical services provided by the agency.

She received her undergraduate degree at Saint Martin’s College in Lacey, and is a graduate of Western Washington University’s Masters in Mental Health Counseling program. She is a licensed mental health counselor and a geriatric mental health specialist. In addition, she is a certified Mental Health First Aid trainer, and enjoys educating her community about behavioral health issues.

She and her husband live in rural Snohomish County.

Tamera Sanders, CPA

Chief Financial Officer

Tamera has been with Compass Health since February 2016. As Chief Financial Officer, Tamera is responsible for the financial management of the organization, which includes managing financial risks, budgeting and analysis, maintaining fiscal accountability, and financial compliance and reporting. In addition to the finance department, Tamera also oversees the purchasing, payroll, facilities, payee services, and housing program at Compass Health.

Working in a collaborative, forward-thinking organization that is mission-oriented to support the whole individual in receiving behavioral health, housing, and linkage to basic needs and additional support is why she enjoys being part of the Compass Health team.

Tom Kozaczynski, MPA

Chief Advancement Officer

Tom Kozaczynski has been with Compass Health since March of 2013.

Tom’s previous positions include managing major corporate giving for the Seattle International Film Festival, foundation and annual giving at North Helpline Food Bank, the University of Washington, and the YMCA of Greater Seattle where he worked on program management and budgeting.

Tom has been actively involved in the Association of Fundraising Professionals Washington Chapter, Advancement Northwest, serving on multiple committees to support the philanthropy sector in our region. He is a member of the Rotary Club of Everett where he represents Compass Health and serves on various committees, including as a board member on the Everett Rotary Youth Foundation.

Tom holds his Bachelor Degree in Economics and Law, Societies, and Justice from the University of Washington, and holds his Master of Public Administration from the Evans School of Public Policy and Governance at the University of Washington with an emphasis on non-profit management and fundraising.

At Compass Health, Tom is in charge of major foundation, corporate, and individual giving, and oversees the growth and strategic development of Compass Health’s Development & Communications Department. Tom’s favorite part about working at Compass Health is connecting the passions of donors and funders in our community to the amazing and life-changing work being done by our staff each day. He believes we have the most highly trained, professional, caring, and mission-driven people of any place that he has worked.

Board of Directors

Tom Sebastian, MS, MPA

President/CEO

Tom Sebastian is the president and CEO of Compass Health, Northwest Washington’s behavioral healthcare leader. Throughout his 35-year career, Tom has held many clinical and leadership roles at the organization, growing its transformational impact through community partnerships, outreach and advocacy.

At Compass Health, Tom oversees 600-plus dedicated and highly skilled team members who serve more than 11,900 clients annually throughout Snohomish, Skagit, Island, San Jan and Whatcom counties. With Tom at the helm, Compass Health delivers innovative, evidence-based care, integrating services for mental health, substance use and medical care to support whole person health.

Tom’s advocacy also extends into Washington’s larger behavioral health community, where he is a founding member of Fourfront Contributor, a leadership and advocacy collective of four of the largest community behavioral health agencies in Washington. He is also a member of the Board of Directors for the Washington Council for Behavioral Health, and a board member for MHCA.

Other Corporate Appointments:
– Co-CEO Behavioral Health Northwest
– Chair (Former) and Board member (2008) Washington Community Mental Health Council 2008-Current
– Board Member, MHCA
– Vistage, Member
– Snohomish County Health Leadership Coalition Steering Committee (SCHLC)
– Mental/Emotional Health Committee (SCHLC) Chair
– Program Council member, North Sound Accountable Community of Health

I am most fulfilled by using my experience to empower those around me to thrive. Faith, family, laughter, and community service are my constants. As an avid marathoner, I embrace a commitment to persist through the long-hauls, while appreciating each step by recognizing that the present is a gift to be cherished.

Tom Sebastian

Eric Carlsen

Heritage Bank, SVP, Sr. Loan Review Officer
Board Member since 2018

Macaulay Ivory

Kilpatrick Townsend, Associate
Board Member since 2020

image coming soon

Hillary Preston

Premera, Regulatory Consultant
Board Member since 2022

Cynthia Weaver

Beneficial State Bank, VP/Relationship Manager
Board Member since 2022

Leadership Team

Amy Pereira-Clevenger, MSW, LICSW, DCR
Director of Crisis Response & Stabilization

Andrew Olson
Director of Marketing & Communication

Becky Olson-Hernandez, LMHC, CMHS
Chief Quality Officer

Charissa Westergard, MS, LMHCA
Director of Healthcare Integration

Connie Summers, MS, HRD
Chief Human Resources & Diversity Officer

Frances Wilder, MA, LMHC 
Director of Snohomish County Outpatient Services

Jeff Patterson
Director of Campaigns & Major Gifts

Judy Heinemann, LMHC
Director of Skagit, Island, & San Juan County Outpatient Services

Katherine Adams, MBA, SPHR
Director of Financial Planning & Analysis

Kay Tillema, MS, LMHC
Director of Adult Intensive Services

Megan Boyle, MSW, CMHS, LICSW
Director of Children’s Intensive Services

Michaela Sanchez
Director of Revenue Cycle

Missy Judd
Chief of Staff

Shannon Webb, LICSW, CMHS, MHP, MSW
Director of Whatcom County Outpatient Services

Stacey Alles, LMHC, GMHS
Chief Operating Officer

Tamera Sanders, CPA
Chief Financial Officer

Tom Kozaczynski, MPA
Chief Advancement Officer

Tom Sebastian, MS, MPA
President/Chief Executive Officer

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