Leadership Team

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.

Meet Our 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 Juan 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.

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.

Connie Summers

MS, HRD

Chief People & Culture Officer

Connie Summers serves as Compass Health’s chief people and culture officer and oversees all aspects of human resource management. She leads the organization’s diversity, equity, inclusion and belonging (DEIB) strategy, which focuses on fostering a culture that is welcoming and supportive for all who work and interact with Compass Health.

Since joining Compass Health in 2022, Connie has made tremendous strides in implementing a strategic plan that ensures DEIB is central to every discussion, policy, and decision at the organization. Connie has grown her team to include diverse voices, curates monthly DEIB conversations with staff members, advises and implements internal communications that bring awareness to heritage months, and makes sure cultural resources are accessible to Compass Health staff members. Connie has established new policies supporting transgender workforce members, establishment of employee resource groups and an anti-bullying policy, to name a few. In doing so, Compass Health is becoming the organization that it aspires to be.

Connie previously served as the director of human resources at Seattle Counseling Service and worked at Boeing for almost 25 years, finishing her tenure as a senior leader in global diversity, equity, and inclusion. Throughout her career, Connie has shared her leadership and expertise as a speaker at professional conferences, and trusted resource for online audiences.

She began her academic journey at the University of Washington and earned her Master of Science in Human Resource Development at Villanova University.

“I feel fortunate to have the opportunity to drive meaningful work that is necessary to make sure that Compass Health is operating in an equitable and inclusive way to ensure belonging for everyone. As an organization, we’re committed to taking impactful action and that is something that is deeply important to me, the workforce, and the communities we serve.”

Dr. Kathryn Gilligan

MD

Chief Medical Officer

Dr. Kathryn Gilligan joined Compass Health in 2023 as chief medical officer (CMO). In her role as CMO, Dr. Gilligan works with clients, staff and community partners to support equitable access to care, integrate services and expand robust programs for people experiencing mental health and substance abuse needs.

As CMO, Dr. Gilligan is focused on furthering Compass Health’s work in creating an integrated model of care that supports whole person health, strengthening collaboration across behavioral health and medical providers to better meet the holistic needs of clients.

As part of her work supporting current and future generations of healthcare professionals, Dr. Gilligan co-leads a local committee comprised of area hospitals, first responders, community partners, and school representatives to promote collaboration and partnership within the mental health care community.

Dr. Gilligan came to Compass Health after serving as the medical director of behavioral health at Providence Medical Group in Everett and has over ten years of experience as an inpatient and outpatient psychiatrist. She also spent five years teaching at the Washington State University College of Medicine, where she was the direct supervisor to 3rd and 4th year medical students.

She earned her Doctor of Medicine degree from The Ohio State University and received her bachelor’s degree in fine arts from the University of Cincinnati.

“I’m excited to work with the Compass Health team to help the organization grow in areas it hasn’t before, and to make sure we’re leveraging every avenue to expand access to our services to meet the needs of the communities we’re proud to serve. Through this work, we’re carving a brighter future for behavioral health care for the Northwest Washington region and beyond.”

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.

Meet Our Board

Tom Sebastian

MS, MPA

President and CEO

Alex de Soto

Chair

CFO Selections, Partner

Board Member since 2020

Macaulay Ivory

Vice Chair

Kilpatrick Townsend, Associate

Board Member since 2020

Hilary Preston

Secretary

Premera, Regulatory Consultant

Board Member since 2022

Eric Carlsen

Treasurer

Heritage Bank, SVP, Sr. Loan Review Officer

Board Member since 2018

Jonalyn Woolf-Ivory

Immediate Past Chair

Sno-Isle Libraries, Executive Director

Board Member since 2017

Roxanne Cronin

Board Member

Board Member since 2018

Laura Padley

Board Member

Cynthia Weaver

Board Member

Beneficial State Bank, VP/Relationship Manager

Board Member since 2022

Leadership Team

Amy Pereira-Clevenger

MSW, LICSW, DCR

Director of Crisis Response & Stabilization

Becky Olson-Hernandez

LMHC, CMHS

Chief Quality Officer

Charissa Westergard

MS, LMHCA

Director of Healthcare Integration

Connie Summers

MS, HRD

Chief People & Culture Officer

Doreen Yumang- Ross, MPH, MS, ARNP, CPH

Director of Inpatient & Health Services

Frances Wilder

MA, LMHC

Director of Snohomish County Outpatient Services

Jaki Brophy

Director of Marketing & Communications

Jeff Patterson

Director of Campaigns & Major Gifts

Katherine Adams

MBA, SPHR

Director of Financial Planning & Analysis

Katie Gilligan, MD

Chief Medical Officer

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

Ryan O’Donnell

MS, LMHC, CMHS

Director of Skagit, Island, & San Juan County Outpatient Services

Shannon Prescott, ARNP, PMHNP-BC

Medical Director

Shannon Webb

LICSW, CMHS, MHP, MSW

Director of Whatcom County Outpatient Services

Stacey Alles

LMHC, GHMS

Chief Operating Officer

Tamera Sanders

CPA

Chief Financial Officer

Tom Kozaczynski

MPA

Chief Advancement Officer

Tom Sebastian

MS, MPA

President, Chief Executive Officer

Ashlee Harlan

Director, Health Information Management

Jason Lee

Director, IT