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The Thin Air Team
Passionate about helping you feel and be your best.
Meet Our Team
Get to know the people behind Thin Air Physical Therapy.
Jessica Marshall
Co-Owner, PT, DPT
Jessica is originally from the Chicago area. She moved to Flagstaff in 2014 after attending PT school in Boston at the MGH Institute of Health Professions. Jessica spends her free time exploring with her family and training on Aerial Silks.
Ryan Nelson
Co-Owner, PT, DPT
Ryan grew up in the Phoenix area and moved to Flagstaff in 2011 to attend PT school at Northern Arizona University. When he’s not at work, he is spending time with his family or trail running through the mountains.
Sarah Van Horn
PT, DPT
Sarah grew up in Phoenix and moved to Flagstaff in 2018 where she attended NAU for her undergraduate degree and PT school. Sarah likes to spend her free time hanging out with her family, hiking, reading, and attending exercise classes.
Zoie Jones
PT, DPT
Zoie grew up in northern Wyoming and attended undergraduate school at BHSU in Spearfish, South Dakota. She then moved to Flagstaff for PT school at NAU. Zoie enjoys lattes, weight lifting, and paddle boarding among other outdoor adventures with her partner. She is passionate about restoring function to her patients and being able to heal people’s relationship with movement!
Lynn McKendree
Office Manager
Lynn is from California and is now living in Flagstaff with her family and dogs. Lynn enjoys spending time outside doing anything from walking her 3 dogs in the forest, canoeing with her family, to gardening.
Colm Cooper
Personal Trainer
Colm is a personal trainer with years of experience helping clients build strength and confidence. Raised in Buffalo, Colm studied Exercise Science at UB and is attending PT school at NAU. He loves to ski, lift weights, and play soccer. Colm is passionate about providing you with the knowledge and tools to reach new goals, whether you are a beginner or are ready to unlock your athletic potential.