Discovery Health MD’s Team

Executive Team

Our team is highly experienced in emergency medicine, maritime health, technology and operations.

Ann Jarris MD, MBA, FACEP

CEO and Co-Founder

Dr. Ann Jarris is a Maritime and Remote Medicine Specialist based out of Seattle, WA. She has practiced as a physician for over 15 years in urban and remote settings. Her experience is in occupational, emergency, wilderness and virtual medicine. Dr. Jarris leads innovation and research efforts at Discovery Health MD as Co-Founder and CEO.

Dr. Ann JarisChief Executive Officer
Dr. Ann Jarris MD, MBA, FACEP

Daniel Pulse, MBA

Chief Growth Officer

Daniel serves as Discovery Health MD’s Chief Growth Officer. He is an experienced leader with a background in corporate finance, business development, coaching, and non-profit management. He earned an MBA from the Barnett School of Business and Free Enterprise at Florida Southern College. Daniel also serves as a Management and Strategy consultant at The Pulse Group. He is an active volunteer within the Seattle community, serving as President of Net Impact Seattle, Director of Corporate Partnerships for Minds Matter Seattle, and as a member of several business associations.

Daniel PulseCGO
Daniel Pulse, MBA

Andrew Eaton, EMT, MA-P

Chief Operations Officer

Andrew is our Chief Operations Officer. He is an experienced EMS professional with a background in wilderness and remote medicine and risk management. He has split his career working as an Emergency Department Technician, Wilderness Instructor, and Ski Patroller. In addition to his contributions to Discovery Health, Andrew volunteers with local and international projects supporting public and global health initiatives.

Andrew EatonChief Operations Officer
Andrew Eaton, EMT, MA-P

Mike Waller, MBA

Chief Financial Officer

Mike serves as Discovery Health MD’s Chief Financial Officer. He has over 15 years of experience in real estate management, finance, construction, and sales across multiple industries. He received his undergraduate degree from Seattle University in Business Administration with a focus on management and operations. He earned his MBA from Seattle University with a focus on Executive Leadership. He enjoys spending time with his family and exploring new destinations.

Mike WallerChief Financial Officer
Mike Waller, MBA

Ray Jarris MD, MA FAAFP

Co-Founder (Deceased)

Dr. Ray Jarris, co-founder for Discovery Health MD, was an experienced physician with over 32 years in the emergency, occupational and family medicine settings. Dr. Jarris was the former Medical Director of the Swedish Medical Center/Ballard Emergency Department and Past-President of Ballard Emergency Physicians. In addition to Discovery Health MD, he founded several medical services companies including Maritime Health Services, Global Medical Systems, MD Solutions, and MD Solutions International.

Dr. Jarris had extensive experience in remote site medical support and maritime medicine. He supervised physician’s assistants in the Aleutian Islands and Afghanistan. He served as the Basic Life Support Medical Director for American Medical Response Ambulance in King County, Washington. Dr. Jarris sailed as Expedition Team Physician to Antarctica with Quark Expeditions.

We will continue to leverage Dr. Ray Jarris’ decades of knowledge and experience in this unique niche in medicine combining emergency and occupational medicine with a commitment to immediate availability and service. Every decision will consider Dr. Ray’s vision of commitment to service, caring, compassion, and delivery. When we do the right thing for the employee, we are doing the right thing for the company.

Dr Ray
Dr. Ray Jarris MD, MA, FAAFP

Our Physicians

Discovery Health MD’s SeaDoc® 24/7 Medical Advisory Service providers are US Board-Certified Emergency Medicine physicians with a passion for delivering care in remote and challenging environments.

With deep expertise in maritime medicine, telemedicine, occupational health, primary care, hyperbaric medicine, education, and logistics, our physician team is unmatched in providing exceptional care to mariners.

In an emergency, you don’t have time for a phone tree or a call center operator, with Discovery Health MD, expert care is a quick phone call away.

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Mark Borden, MD, FAAEM

Mark Borden, MD, FAAEM is a Board-Certified Emergency Medicine physician in Washington State. He has worked as a commercial fisherman and holds a USCG Captain’s license. He has special interest in hyberbaric and dive medicine and is an avid sports fisherman and guide.

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Dr. Ehret

Dr. Ann Nora Ehret grew up in a Navy family from Chicago. She has lived in the Alaskan Aleutian Islands since 2007. She is a Family Medicine physician providing rural generalist, emergency and maritime medicine to the community of Unalaska and International Port of Dutch Harbor. Her husband is a seasoned Bering Sea commercial fishing captain. When off island, she spends time with the Semester at Sea global experiential education program. She is a Captain in training preparing to bring their boat north to Alaska from the Pacific Northwest.

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Tanya Haag, DO FAAEM

Dr. Tanya Haag is a board certified emergency medicine physician. She graduated from Virginia College of Osteopathic Medicine in 2012 and completed her EM residency in Chicago in 2015. After an itinerant youth as a Navy brat, she now lives in Annapolis, Maryland with her husband and daughter

Michael Kent
Michael Kent, MD, FACEP

I was born in Los Angeles and grew up there and in Salem Oregon. I worked as a paramedic and swiftwater rescue technician in Fresno County for six years. I relocated East for school and then completed emergency medicine training in Tucson, Arizona where I met Ann. I raised three boys near Annapolis, Maryland and continue to practice emergency medicine here. I enjoy boating in the Chesapeake Bay, bicycling, cooking, and have 2 dogs, a sweet old black lab mix and an irrepressible 1 y/o Jack Russell terrier.

Richard Kwun, MD

I'm a native New Yorker and have lived in the Seattle area for the last 13 years. I love practicing medicine and am privileged to provide care to those in remote environments. I enjoy spending time with my wife and 2 kids, in addition to traveling, being outdoors playing ultimate, and reading.

Dr. Lhamon

Dr Lhamon grew up In the Pacific Northwest. She went to Williams College as an undergrad and then to Michigan State University for medical school on a Navy Scholarship. She then spent 5 years on active duty stationed with the Marines at Camp Lejeune and at Naval Hospital Guam. She then moved to NYC for her emergency medicine residency at LIJ Northshore. She finally happily returned to the Pacific Northwest and now lives on Whidbey Island with her two daughters and yellow lab Merlin and black cat Lancelot. She has been practicing emergency medicine for over 20 years. In her free time, she enjoys trail running, hiking, backpacking, skiing, baking and reading.

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Dr. Long

Originally from Southern California, Dr. Long attended college at Creighton University in Nebraska followed by medical school at the University of Southern California. Her internship was at Sacred Heart in Spokane, Washington, then residency at Boston Medical Center. Dr. Long has been working at a variety of community ERs since returning to Southern California. Past pursuits and current hobbies have included family, friends, music, scuba diving, traveling, camping, and Cub Scout den leader.

Troy Markus

Troy Markus grew up in King County and started his adult life working in a coal mine in Black Diamond, WA. After 6 years with Pacific Coast Coal Co. he returned to school and now lives and works in Bellingham as an Emergency Department physician. He is the current medical advisor for North Cascades Institute, and after 8 years of service has recently retired from his post as regional dean for medical student education with Pacific Northwest University. In his free time you will find him mountain biking, skiing, snowmobiling, fly fishing, hunting, or boating somewhere in the Northwest with his wife and two yellow labs.

Caitlin Mase, MD

Caitlin Mase graduated medical school from the University of Washington in Seattle, WA and completed her Emergency Medicine residency at the Oregon Health & Science University in Portland, OR. She currently lives in Annapolis, MD where she practices as community ED physician. When not working, you can find her biking, traveling, hiking new trails, teaching her two young daughters how to SUP, forever renovating her home with her husband, or hosting dinner parties

Dr. Murphy

Dr. Murphy is originally from Denver. Prior to medical school, he worked in Southeast Alaska as a deckhand, and endeavored on public health issues in the Caribbean. He is a graduate of the University of Colorado (MD) and University of Washington (Emergency Medicine and sub-specialty EMS) where he served as a Flight Physician. He currently practices medicine in the Seattle area. Personally, he relishes mountain adventures, travel, food, fitness, reading, art, carpentry, and being with his family.

Norm Petty

I'm an ER doc, working in Fairbanks, Alaska I'm in my third decade of medical practice. Medical School was University of Missouri - Columbia (Mizzou). I am licensed in Alaska, Idaho, Wyoming, Texas, Oklahoma, Kansas, and Missouri. I have a remote log cabin in Alaska, where my wife and I currently reside. I enjoy outdoor activities most of the year, including hiking, fishing, 4-wheeling, boating, etc.

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Paradis Reed, MD

Hello SeaDocs, I’m Paradis Reed. I have practiced Emergency Medicine since 2006. With extensive experience in rescue from remote areas, and a family connection to commercial fishing, I am passionate about the safety and health of our clients. Pledging to be available and engaged in every way to ensure every sailor comes home well. It is an honor to serve Seadoc. When not working with DH, my purpose in life is taking care of senior citizens and improving the future of long-term care for our elders. I operate Senior Advocacy Specialists in Seattle. I love spending time with my three crazy young boys and husband. Born and raised in Hawaii, there’s nothing we love more than being in the water, camping and enjoying nature

Jim Rosenthal

I went to medical school at Southern Illinois University in Springfield, IL, graduated in 1982, did residency training in Family Medicine , but began doing Emergency Medicine during residency. I am board certified in both Emergency Medicine and Family Medicine. I also did a fellowship in Critical Care Medicine at University of Maryland Shock Trauma Center in 1988. I was faculty in the ER at Johns Hopkins for a few years after that, then worked in private ER groups until 2014, when I joined mid-Atlantic Kaiser, from which I just retired.. I have two cats, four godchildren, one grand-god-child aged three months, a boat, and way too many vintage cars and motorcycles. I also play in a band in Annapolis.

Chris Tobe, MD

As a lifelong resident of the Pacific Northwest, my early years revolved around the water. From fishing and diving in Puget Sound to working in a fish cannery back in the day, my best days have been breathing the salt air. After graduating from Whitman College in Walla Walla, Washington, I worked for few years in the biotech industry in the 1980s before attending medical school at the University of Washington in Seattle. I completed my Emergency Medicine residency training in 1995 from the University of California, Davis where I was chief resident. I settled in Idaho and have had a very fulfilling career with Idaho Emergency Physicians. I continue to practice emergency medicine in five departments, including our area’s main trauma center. I really enjoy working with SeaDoc providing medical oversite for mariners around the globe. My number one goal is providing excellent and expeditious medical advice for the staff on each of our client’s ships. In my free time, I enjoy visiting the Puget Sound fishing and freediving with Dr. Mark Borden one of SeaDoc’s founding members.

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Jen Toone, MD

Dr. Jennifer Toone obtained her medical degree from the University of Washington School of Medicine. She completed her emergency medicine residency and served as Chief Resident at Baystate Medical Center. Since that time, she has worked as an attending physician at a Level 1 trauma center and in other emergency departments throughout the community. She also serves as Medical Director for several EMS agencies in the region. When not working, Dr. Toone enjoys traveling, music, riding her bike, and attempting to garden.

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Adele Tse, MD

Hi! My name is Adele and I am a ER doctor who grew up in Hong Kong and Toronto and completed her education in the United States. I love all things outdoors and always searching for new experiences. Since graduating, I have worked stateside, in Australia and in Iceland and am in the process of moving to Guam

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Jon Vivolo, MD

Jon Vivolo currently resides and practices emergency medicine in Durango, Colorado. He completed his medical school training in Denver, Colorado and went on to do a residency in Lexington, Kentucky. Following residency, he completed a fellowship in emergency ultrasonography at the University of Utah, focusing on ultrasound guided regional anesthesia and peri-arrest transesophageal echocardiogram for ECMO cannulation. He practiced in Salt Lake City at Intermountain Medical Center prior to moving back home to Durango. He also recently completed a fellowship in genomics-based precision medicine. When he is not working in the ED or with SeaDoc, he is most likely adventuring in the mountains by foot, bike, or skis. He is an avid backcountry skier and mountain biker and competed professionally prior to med school. He also enjoys building furniture out of live edge wood, international travel, in addition to spending time with his wife, 3 border collies, chickens, and bees. He is excited to be part of SeaDoc.

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Kim Yeargin, MD

Kim Yeargin graduated from the University of Washington school of medicine in 2000, completed an internship in medicine at UW, followed by a residency in Emergency Medicine in the Madigan/UW program completed in 2004. She practiced at Highline Medical Center (now St. Anne's) where she worked with Ann Jarris, our fearless leader. In 2013, she and her husband and two kids relocated to Durango, CO where she has been a practicing rural medicine ER doc for seven years. She is also the medical director of the local Urgent Care. She loves hiking, paddleboarding, disco roller skating, going to concerts and spending time with family and friends. In her spare time, she volunteers for two local non-profit boards, cooks, sews, and cans (preserves). Let her know if you would like a jar of habernero pickled cucumbers

Senior Leadership

Monica Artz
Director of Human Resources

Monica Artz is a native of the Pacific Northwest currently living in Olympia. She has a BA in Psychology from the University of Washington and an AAS in Construction Engineering Drafting. After many years in medical related fields, and several as a CAD drafter, she embraced her affinity for the maritime industry and joined Discovery Health MD in 2018 as the Fitness-for-Duty Coordinator, before taking over HR responsibilities during our pandemic expansion. In her free time, she enjoys discovering wildlife in her urban environment, and gardening.

Monica Artz

Nicole Baich
Director of COVID-19 Testing and Operations

Nicole stepped into the Director of Covid-19 Testing & Operations role with 15+ years of small business experience. Coupling her passion for helping others with a tenacity for details, clients and staff can expect their DHMD experience to be Nicole’s paramount concern. Prior to joining DHMD, in 2014, Nicole relocated from Chicago to Seattle to develop a local operation; soon after, she expanded her oversight to their national & international markets. Nicole’s tenet, “Make it work,” stretches back to her days at Lake Forest College where she double majored in Economics & Sociology, minored in Communications, played four years of varsity volleyball and basketball, and co-founded the campus’ Habitat for Humanity chapter. When Nicole isn’t supporting the team, you can find her looking at the world of possibility through refurbished design, road-tripping to national parks, or nerding out to sci-fi.


Alyssa Evans
Fit for Duty Manager

Alyssa comes from a military family & spent her childhood moving around the world. She graduated from Weber State University in 2011 and initially pursued a career in audio engineering, but after 6 years she decided to follow her mother’s footsteps and go into nursing. Alyssa has always loved helping others and has over 10+ years of experience in customer service. Alyssa works remotely from Salt Lake City, UT. When she’s not working, she enjoys running sound for local theaters, camping, hiking & swimming.


Justin Jacobson
Director of Technologies

Justin is originally from Chicago and comes to Seattle after living in New York, Denver, Phoenix, and a few other stops along the way. He has an MFA from the School of the Art Institute of Chicago. With a background in teaching, database systems, client services, and operational management he brings his keen eye for detail and creativity to Discovery Health MD. He enjoys making art, woodworking, films, running, hiking, camping, and exploring the PNW.


Mackenzie McAninch
Director of Controlled Substances and Medical Chests

Mackenzie has over 20 years of experience in management positions. He was a Quality Assurance inspector and Construction Coordinator for the Department of Energy Fernald project near Cincinnati, Ohio. He’s been involved with the Maritime industry since 2011, where he first worked for Fremont Maritime Services/Mitags. With them he became the lead water instructor for the STCW Personal Survival Techniques course. In his spare time, Mackenzie is involved in his community and especially the Seattle music scene in management and consulting, as well as creating several charity benefits over the years. When he’s not doing all of that, hiking and backpacking are some of the ways he relaxes.

Mackenzie McAninch

Tyler Owens
Director of Laboratory Services

Tyler grew up in north Texas and came to the Pacific Northwest after serving in the US Navy as an Oceanographer for four years. Tyler has a diverse professional background that includes construction, team development, and entrepreneurship. He is also pursuing his nursing credentials. In his free time, he enjoys woodworking and building a boat for his wife and two dogs.


Taylor Pellizzari
Director of Immunizations

Taylor was born and raised in rural Wisconsin. After graduating with a degree in Psychology from the University of Wisconsin- La Crosse, she pursued her Master’s degree in Public Health with a concentration in Global Health & Health Disparities from Colorado School of Public Health. Taylor’s professional experiences include social justice work with nonprofits and serving with AmeriCorps. In her free time, Taylor enjoys exploring the outdoors, reading, and traveling.

Taylor Pellizzari

James Richard
Director of Procurement and Logistics

James Richard is a native Washingtonian and a PADI certified Dive Master. He holds multiple degrees including a master’s degree in Theoretical and Mathematical Physics from the University of Idaho. James brings to the team nearly 20 years of experience in logistics and process management, improving efficiencies to ensure the needs of our clients and staff members are always met. James enjoys music: he was a concert violinist in several award-winning orchestras and quartets.


Mireille Rommel
Senior Director of Operations

Prior to joining Discovery Health MD, Mireille was the Director of Operations at the Seattle Indian Health Board. During her tenure, she helped the organization implement COVID Testing Clinic, COVID Vaccine Clinic, Respiratory Wing and Telehealth Service. In addition, she oversaw the re-introduction of the Prenatal and Pediatric Care clinics after their yearlong closure due to the pandemic. Mireille has a master’s in health administration and a minor in psychology and art. She currently lives in Renton with her husband, two children and poodle. When she’s not working or busy with the kids and the many sports they are involved in, you can find her painting (oil painting).

Mireille Rommel

Penny Sourivong
Director of Physician Advisory Services

Penny Sourivong comes from a financial background with 10 plus years in customer service. Born and raised in Wichita, Kansas she took a leap of faith and made a move to Seattle, Washington. With moving to a new state, she decided to take a new path in her career as the Records Coordinator with Discovery Health MD. Now she’s taken on the role as the Director of Physician Advisory Services. In her free time, she likes to travel and spend quality time with her fiancé and their dogs.


Tracy Thomas
Director of Finance

Tracy Thomas, Director of Finance, brings with her a varied work background primarily in fiscal offices and bookkeeping. Tracy worked for the State of Washington where she focused on fiscal office and accounting work. After 12 years with the state, she privately contracted as an accounting assistant. She prides herself on her attention to detail and exceptional customer service. In her spare time, Tracy enjoys volunteering in the community, traveling with her family, and gardening