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Meet Our Team

Director & Co-Founder: Sarah Vann

Sarah Vann (previously Herr Davies), M.S., CCC-SLP is a Speech Language Pathologist for Portland Public Schools and private practice in Portland, Oregon. She has a strong interest and passion for stuttering, which has quickly become an area of specialty for her in the field. While working with clients who stutter, Sarah's mission is to provide support in helping individuals become confident as a person who stutters through treating all aspects of stuttering, including attitudes and emotions and fostering community, instead of solely focusing on the stuttering behaviors themselves. It is because of this belief in her treatment approach and a need for more community and social opportunities for those who stutter, that she joined forces with Kristin Mangan in early 2016, to create Camp More. 


Beyond camp, Sarah is actively involved in the stuttering community. After witnessing the positive impact of TOPS: Teens Out Promoting Stuttering, a support group for teens who stutter started by Kristin Mangan, Sarah identified a similar need for a younger age-group and started KOPS: Kids Out Promoting Stuttering. She participates regularly in the Portland chapter of the National Stuttering Association (NSA)-an adult support group for people who stutter, after co-leading for it for 3 years. Sarah has presented on the topic of stuttering to fellow SLPs, educators, children, and families, and is a constant resource to other area SLPs looking to further their development of skills in holistically evaluating and treating stuttering. 

Sarah is incredibly proud of Camp More and it's success the past several years. She is beyond excited for the continued growth which includes a nonprofit partnership as a foundation of the Charitable Partnership Fund. When not working or with her groups, Sarah is usually always kept busy by her three teenage and one infant sons: Bryton, Maddox, Jonas, and Colton. Sarah also enjoys cooking, reading, hiking, arts and crafting, and spending time with her friends and family.

Assistant Director & Co-Founder: Kristin Mangan

Kristin Mangan, M.A., CCC-SLP is an Assistant Professor and Speech-Language Pathologist at the Institute on Development and Disability at Oregon Health & Science University (OHSU) in Portland, Oregon. She has specialized in stuttering, as well as feeding and swallowing, for the past 16 years. She is an active member in the FRIENDS, the National Association for Young People Who Stutter, as well as in the National Stuttering Association (NSA). She has presented both regionally and nationally on the subject of stuttering to children, parents, educators, and other professionals.

On a local level Kristin sees children, teens, and young adults who stutter for evaluations and treatment at the Child Development and Rehabilitation Center (CDRC). Given her strong beliefs that counseling, community, self-acceptance as a person who stutters, and building confidence is an imperative part of one's stuttering journey, she also runs a support group for teens who stutter, called TOPS: Teens Out Promoting Stuttering. Monthly she plans and facilitates TOPS group outings, activities, and volunteer opportunities around the Portland Metro Area. This has been a source of tremendous joy for Kristin and has resulted in growth and excitement for the teens that participate regularly. 

Given the success of TOPS and the shared goals with Sarah, Kristin and Sarah decided to expand their mission for community, connectedness, confidence, and acceptance and started Camp More in 2016 with the support of OHSU. After two successful years of running Camp More, and ample community excitement and support, Kristin and Sarah have now instead partnered with the Charitable Partnership Fund to better run these non-profit efforts as well as to continue and expand Camp More. When not at work, Kristin greatly enjoys spending time with her family and friends, mainly her son, Sive. She also loves traveling, exercising, reading, cooking, and gardening.

Activities Director: Katrina Zens

Katrina Zens M.S., CF-SLP, is a Speech Language Pathologist who provides services at a non-profit private practice in the Portland Metro area. She received her bachelor’s degree in Speech and Hearing Sciences from Portland State University in 2018 and her Master's in Communication Sciences and Disorders from Pacific University in 2020.

Katrina provides a variety of speech, language, and feeding services to children in all stages of life. Her passions include feeding, articulation, and of course stuttering. She started as a camp volunteer in 2016, and has been holding staff-support, and staff roles ever since. Camp More campers are resilient, brave, and an example for us to unapologetically be ourselves - whether your speech sounds different, or not. Katrina uses this mantra both in her professional life and personal life. Working with children who stutter allows Katrina to use the playful and creative areas of her brain to make speech therapy fun and informative. 


Katrina enjoys spending her free time gardening in her backyard with her fiancé and three rescue dogs. If there is a sunny weekend, you’ll find Katrina on a run with her sister or backpacking the Pacific Northwest with her older brother.

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Community Outreach Director: Natalie Griffin

Natalie Griffin is a speech-language pathologist for Klamath Falls City Schools in Klamath Falls, Oregon. She received her Bachelor's degree in Speech and Hearing Sciences from Portland State University in 2013 and her Master's in Speech-Language Pathology from Pacific University in 2015.

Natalie's passion in the world of speech-language pathology is working with kids and teenagers who stutter. Natalie received speech therapy through the public school system throughout her life. She spent her teenage and young adult years searching for a reason why she was never "cured" of stuttering and returned to speech therapy many times. It wasn't until she attended the PSU Speech and Hearing Clinic and started to learn about stuttering that she began to accept and even appreciate her speech. She now believes there is nothing better for kids and teens who stutter than the chance to share life experiences and discuss stuttering openly with one another. Outside of work and stuttering, you can find Natalie baking, drinking copious amounts of coffee, spending hours in a bookstore, or kayaking with her husband, Anthony.

Camp Mentor & Outdoor Recreation Guide : Glenn Weybright

Glenn Weybright, M.S., CCC-SLP,  is a person who stutters and a Portland speech language pathologist. He is a Board Certified Specialist in Fluency under certification standards established by the American Speech Language and Hearing Association. Glenn began stuttering at age 11 and at  age 20 he received speech therapy at Portland State University where he learned tools to help him manage his stuttering. He has taught the Stuttering graduate course at Portland State University, and he is a founding member of the Portland chapter of the National Stuttering Association.

Glenn was born in Astoria Oregon and grew up in Warrenton Oregon and St. Helens Oregon, both Columbia River towns. His father was a commercial fisherman when they lived on the coast. Glenn’s love of water and fishing and boats comes from there. Glenn met his wife, Debbie, while both were taking a biology lab at Portland State University. He was impressed with her positive attitude and scalpel skill as she dissected a fetal pig. They have four grown children and six grandchildren, and they live in Beaverton Oregon.

Glenn likes hiking, fishing, clam digging and crabbing, and kayaking and canoeing. For years, he was a member of a competitive Portland dragon boat paddling club called Hampton Woods.

Glenn also enjoys biking, camping, reading, and writing. His favorite foods are yakisoba noodles and chocolate. Glenn has worked as a kayak guide in Sitka, Alaska and Ridgefield, Washington. He is also a card-carrying Angler Instructor for the Oregon Department of Fish and Wildlife, and is probably the only person in Portland who collects beaver sticks (he has over 50). In his spare time, you might find him practicing fly casting out in the street in front of his house.

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