Our Leadership Team

The Leadership Team supports and is supported by the Horizon House Team, an amazing group of 300+ people from 27 different countries, all of whom “walk the talk” when it comes to our Mission, Vision, and Values. We embrace diversity – of background, of pursuits, of thinking – with openness and respect. Our words have meaning and our values are real. They knit us together as a community and make Horizon House the dynamic and pleasant place it is to live and work.

Mike Ostrem, Chief Financial Officer

Mike Ostrem, Chief Executive Officer

Mike became CEO of Horizon House in September 2019, after serving as CFO for six years. Mike is a seasoned executive with more than 30 years of experience as CFO and COO to both emerging and established companies in the legal, retail, management consulting, and e-commerce fields. In addition, he has banking experience with major lending institutions in Seattle and New York.

Mike holds a B.A. in Business from Washington State University and an M.B.A. from Seattle University.

Lauri Warfield-Larsen Chief Operating Officer

Lauri Warfield-Larson, Chief Operating Officer

Lauri has been professionally involved in long-term care since 1993. After joining Horizon House in 1998 as a staff Occupational Therapist, she earned her Nursing Home Administrators License in 2005 and moved to the position of Officer of Health Services that same year. Lauri was promoted to Chief Operating Officer in 2019. 

Lauri holds a B.S. in Occupational Therapy from the University of Washington.

Christine Seymour, Chief Financial Officer

Christine Seymour, Chief Financial Officer

Christi Seymour is the CFO at Horizon House. With 20 years of experience at Horizon House, she has worked her way up from a part-time General Ledger Specialist while raising a family, to Controller, to her current CFO role.

Christi is passionate about accounting (akin to working on a jigsaw puzzle) and immensely enjoys working with Horizon House residents.

Christi passed the CPA exam in her final quarter as a student at the University of Washington Business School. She is a graduate of the UW with a major in Accounting.

In her spare time, Christi enjoys spending time at the family cabin on Whidbey Island, reading, watching and playing soccer, and, more recently, joining the Peloton (cycling) community. She currently lives in Seattle.