Our Leaders

Gavin Brown

Administrator, Mission Healthcare at Bellevue

Gavin Brown is an accomplished executive in post-acute services and senior care facility management. We are fortunate, indeed, for his skills to add and sustain value and create a culture that is consistent with our Careage mission and objectives, of helping our patients heal and reclaim their quality of life. Gavin is a skilled leader with track record of mentoring and elevating people, improving care and patient satisfaction, producing extraordinary financial results, and ensuring consistent regulatory compliance.

When he is not helping people at Mission Healthcare, he enjoys spending time with his wife and family.


Dell WorkmanDell Workman

Administrator, Mission Healthcare at Renton

Dell Workman was instrumental in the opening of Mission Healthcare at Renton while managing the redevelopment of Mission Healthcare at Bellevue. As a licensed healthcare administrator, Dell’s career includes acute and rehabilitative care, as well as the opening of new facilities, making him uniquely suited for his role with Mission Healthcare. As an RN, his expertise spans emergency room and intensive care units, assisted living communities, as well as skilled nursing and rehabilitative facilities.

Dell draws upon his diverse background to ensure we offer exceptional care within an exceptional environment, specifically designed to the unique needs of post-acute care patients. Whether discharged following surgery or a health event, Dell and his team will help you improve your range of motion, motor skills, balance, muscular control, and sensory perception – all with the goal of regaining your independence or as much independent mastery as possible.

As Dell often observes, “We know you’ve been through a lot. The time has come to heal and reclaim your life.” Your journey home begins here, at Mission Healthcare Renton or Bellevue.

Dell is also an avid gardener, enjoys the outdoors, and loves spending time with his wife, children, and their many grandchildren.

Heather Bills, RNHeather Bills, RN

Director of Nursing, Mission Healthcare at Renton

Heather is an integral leader in the Mission Healthcare organization and representative of our commitment to developing burgeoning talent. First serving as a nurse, then later the Director of Nursing for Mission Healthcare at Bellevue, Heather provides calm and decisive leadership to our rehabilitation and nursing team.

Her years of expertise at the bedside is strengthened through continuing education. Heather is certified by the Wound Care Education Institute, and serves as a resource for our staff when dealing with complex wounds and nursing procedures.

Heather and her team are nimble, serving a wide variety of patients. She and her team provide exceptional, compassionate care, from those in rapid recovery and post-surgery to those who require nursing until their next level of care can be determined, whether long-term, skilled nursing care or adaptive home care.

When she is not leading the nursing team at Mission Healthcare at Renton, Heather enjoys spending time cooking and exploring the outdoors with her husband and two children.


Ashica C. Colin, MSW, LSWAIC

Director of Business Development and Marketing, Mission Healthcare at Renton

Ashica Colin  is a Masters Level Clinician with over ten years of positive direct care experience with patients and their support networks. Ashica is passionate about patient-centered care, community education, caregiver support, strength-based practice, cultural humility, universal design, and safe transitional planning. Ashica is a proud graduate of the University of Washington, School of Social Work program where she concentrated on Multigeneration Studies. Ashica is also a trained Intergroup Dialogue Facilitator and excels in facilitating diverse groups of participants with the goals of increased understanding and relationship building.

In her free time, she enjoys spending time with animals, doing yoga and barre, being creative, organizing and traveling.


Brigitte Vaughn-Thomas

Director of Admissions, Mission Healthcare at Bellevue

Brigitte Vaughn-Thomas leads the inquiry and admissions process for Mission Healthcare at Bellevue. In this pivotal role, she ensures prospects, our referral partners, and industry peers are provided the information they need regarding our facility and organization. We are grateful to her background in real estate, as her skills in hospitality and effective communication are well-suited to helping people find the right place to recover and restore their health.

Lynnette Anderson

Clinical Liaison, Mission Healthcare at Bellevue

Lynnette Anderson brings a wealth of experience in healthcare to our organization. Prior to this role, she worked for Issaquah Nursing for more than a decade. Her background also includes supervisory roles at a call center for Microsoft and management of a Seattle surgery facility.

Serving our community is very important to Lynnette. She volunteers for various charities, including serving as past Chair of the Overlake Medical Foundation’s annual Bandage Ball fundraiser, raising over $1M for vital mental health programs. She is currently a board member for Overlake Medical Center.

Lynnette is dedicated to serving our elders and creating a positive experience for our residents and their families. She is a Northwest native who earned her Bachelor’s degree at the University of Washington.