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Hello from Our Staff!
Sleep Center Medical Director:
Hyung UK Park, MD
Dr. Hyung Uk Park MD is a board certified specialist in Sleep Medicine and has been a member of the American Academy of Sleep Medicine for many years. He grew up in California before attending college at the University of Chicago where he was inducted into the Phi Beta Kappa honor society. He received his medical degree with honors from Meharry Medical College in Nashville, Tennessee. He finished his medical training at Dartmouth in New Hampshire where he also completed a full, one year sleep medicine fellowship through a fully accredited sleep medicine program.
Dr. Park moved to the Seattle area after training to enjoy the beautiful surroundings and vibrant culture. He enjoys photography and music.
Sleep Center Operations Director:
Stephan Anneberg, RPSGT-BA
Stephan is the founder and CEO of A to Zzzz Sleep Consulting LLC, which manages all business, marketing, and sleep center franchising operations. Stephan has been in the sleep medicine field since 1999 and registered by the BRPT in 2001. A to Zzzz also participates in the clinical preparation of completed sleep studies for physician interpretation based on guidelines provided by the American Academy of Sleep Medicine (AASM).
Sleep Center Chief Financial Officer:
Inga-Lisa Anneberg
Inga-Lisa is the co-founder of Woodinville Sleep Improvement Center. She has a background of tele communications and wireless technology. Inga-Lisa oversees the company’s overall business and financial decisions.
Practice Manager:
Jennifer Chapman
Jennifer “Jenny” has a deep understanding of the process and procedures of the sleep industry. She is there for our patients and does everything in her ability to help your experience with our facility go smoothly. She is the one to call when you have any questions or concerns.
Medical Administrative Assistant:
Christen Anneberg, BS
Christen is a recent graduate from the University of Washington and participates in procedure billing. Christen is also involved in local business ‘Health Fairs’ to help raise awareness for employee’s sleep and productivity concerns.
Sleep Center Consultant:
Erika Hypse
Erika is a Registered Sleep Technologist (RPSGT), sleep scoring consultant, and a gifted photographer who contributes free-lance work to the brochure and web site. She has over 15 years experience in the field of sleep medicine and is extremely valuable consulting asset for Woodinville Sleep.
Intern:
Jill Buccola
Woodinville native, Jill Buccola is a student at Hillsdale College in Michigan, majoring in History and Literature and has spent the last two summers interning at Woodinville Sleep Improvement Center. Jill assists in marketing and educating to local businesses on the Eastside to elevate awarness of the importance of good sleep with employer wellness and productivity programs.
Sleep Study (Polysomnography) Technologists:
Richard Welch, PSGT (Lead Technician)
Heather Bourasaw, PSGT
Devin Sloan, RPSGT, CNA
Jaimie Johnsen, PSGT
Rachelle Byrnes, PSGT
Rachael Wehr, RPSGT/RRT
The Polysomnography Technologists at Woodinville Sleep Improvement Center are highly experienced and trained to make you feel at ease during your stay.


