Our Team

April Grisetti

Instructor

April Grisetti (pronouns: she/her) instructs wilderness medicine courses with Viristar. Shas been a nationally certified Physician Assistant since 2006, has taught wilderness medicine courses since 2009, and is an actively practicing urgent care clinician in Port Townsend, Washington, USA. She is a Fellow of the Academy of Wilderness Medicine through the Wilderness Medical Society. She managed a medical clinic in Ghana, and volunteers with Portland Street Medicine and Team Rubicon, doing disaster and humanitarian relief, most recently to Great Abaco (Bahamas), Texas and Puerto Rico after Hurricanes Dorian, Harvey and Maria. Prior to this she held her practice in Portland, Oregon USA, and spent many years practicing primary and urgent care medicine in Santa Fe, New Mexico USA where she also managed patients in the Aid Room for Santa Fe Ski Patrol and volunteered for many years with Search and Rescue. Her extracurricular passions include hiking, yoga and various water and snow sports.

Damien Santer

Chief Learning & Technology Officer

Damien Santer (pronouns: he/him) is Viristar's Chief Learning & Technology Officer. Damien has in excess of 20 years of board-level professional experience in broad-ranging areas including technology, management consulting, medical education and eLearning. Damien teaches wilderness medicine, pre-hospital emergency care and outdoor safety classes, and is an event and volunteer medic in Malaysia. He was a member and trainer of a multidisciplinary rescue unit in regional Australia, providing vertical, road crash and flood rescue; storm damage support; first aid; general rescue, and search and rescue. Damien is a group scout leader and a training advisor for the Rest of World district of British Scouting Overseas. Damien works with Viristar on a contract basis from his base in Kuala Lumpur.

Naada Nag

Consultant / Trainer

Naada Nag (pronouns: she/her) renounced her 10-year long career as a software engineer in 2017 after she experienced the life-changing impact of the outdoors. Her love for backpacking brought her to trip leading in the Himalayas, where she started her professional career in outdoor education. She worked as a trip leader in the Himalayas and western ghat mountains in India. Naada currently works as an outdoor educator with Outward Bound Vietnam, where she designs and leads educational programs, and focuses on achieving age-appropriate learning outcomes through outdoor activities. She loves anything to do with group processing, and facilitates creating a safe learning environment for students. Naada is also pursuing a master’s degree in Experiential Learning and Development from Plymouth State University, USA.

Dr. Nima Namgyal Sherpa

Instructor

Dr. Nima Namgyal Sherpa (pronouns: he/him) is an accomplished expedition & rescue doctor, mountaineer, expedition operator, and wilderness medicine and outdoor education Instructor. He instructs wilderness and remote medicine courses with Viristar.

Dr. Sherpa has worked in the capacity of expedition doctor, basecamp manager and leader of numerous mountaineering expeditions, including successfully summiting Mt. Everest (8848m), Mt. Manaslu (8163m), Mt. Amadablam (6812m), Denali (6191m), Lobuche East (6150m) and Island Peak (6189m).

He holds a postgraduate DiMM Diploma in Mountain Medicine from ISMM/MMSN Nepal, and a DiMEM International Diploma in Mountain Emergency Medicine from EURAC Institute of Mountain Emergency Medicine.

Dr. Sherpa has been involved in major mountain rescue missions, including on Mt. Everest, Mt. Manaslu, and Mt. Dhaulagiri.

He is associated with UIAA MEDCOM, the Mountain Medicine Society of Nepal, the Nepal Medical Association, Nepal Mountaineering Association, Himalayan Trust Nepal, and Khumbu Climbing Center, among others.

Dr. Sherpa is acclaimed for his contributions to society and the mountaineering industry, and has been featured in international media for his work in the mountains.

Lao Ka Lai 劉嘉麗

Consultant / Trainer

Lao Ka Lai (pronouns: she/her) has over 20 years’ experience in outdoor, experiential, and adventure education and related disciplines, as an instructor, trainer, and manager. Based in Hong Kong, her professional work has brought her to China, Australia, Vietnam, Singapore, Europe and North America. KaLai was instrumental in bringing Viristar programmes to Hong Kong in the earliest years of the organization’s history. Her deep knowledge of the industry in multiple roles and across multiple continents helps ensure the consulting and training services she provides to Viristar clients are of outstanding quality and value. Kalai has professional qualifications in sailing (including Master and Engineer Grade 1), windsurfing, ropes course management, beach life saving, SUP, and wilderness medicine. She has extensive experience in international sailing expeditions, adventure racing, and organizing trainings and experiential learning programs around the world.

Jeff Baierlein

Director

Jeff A. Baierlein (pronouns: he/him) founded Viristar to provide the very best in consulting and training services to help outdoor and informal education organizations ignite their full potential. Jeff has over 30 years of experience with outdoor education, environmental education, adventure education and experiential education organizations in the US and around the world. He led remote wilderness expeditions, worked as a naturalist-educator, served as an Emergency Medical Technician with ambulance services, led search and rescue missions, and was appointed to the Washington State Governor’s Council on Environmental Education. He served as Executive Director of both the Boojum Institute for Experiential Education and the Baltimore Chesapeake Bay Outward Bound Center. His writing and lectures have been translated into Russian, Vietnamese, and Chinese.

Julie Marie Anderson

Instructor

Julie Anderson (pronouns: she/her) instructs wilderness and remote medicine courses with Viristar.

Julie is a Remote Registered Nurse/Certified Emergency Nurse and Flight Nurse in Alaska, where she is also an EMS and Clinical Instructor for ACLS, PALS and other courses. Julie previously worked as a Flight Paramedic/Instructor in remote Alaska with a critical care air ambulance service, and served as Volunteer Firefighter and Rescue Team member, COBRA (Chemical, Ordnance, Biological and Radiological) team member, and FEMA DMAT (Disaster Medical Assistance Team) member.

Julie also serves as the EMS Director for Haines (AK) Emergency Medical Services. Julie has been a member of the Alaska Governor’s Advisory Council for Emergency Medical Services, a Testing Certifying Officer for the Southeast Region Emergency Medical Services Council, a Risk Management Committee Member for Charleston County Parks and Recreation, and a member of the Board of Directors of the Association of Outdoor Recreation and Education.

In addition, Julie is a Hazardous Materials Technician, Limited Radiographer, and Med-Dive Specialist.

Julie is the primary co-author of the Alaska Emergency Trauma Technician Textbook, 9th Ed. She has been teaching wilderness medicine courses since 2002.

Julie was recognized as the Asa Godowns EMS Professional of the Year in 2001, received the Alaska Governor’s Melissa Ann Peters Memorial Award for EMS in 2011, and was recognized as the Alaska Governor’s Alaska Emergency Medical Services Educator of the Year in 2021.

She is completing a Master of Health Professions Education degree, and has obtained a Bachelor’s degree, and two Associate degrees (Nursing & Paramedicine).

Julie enjoys hiking, sea kayaking, yoga, and writing creative nonfiction works, which have been published in several periodicals.

Laura Helfman, M.D. FACEP

Instructor

Dr. Laura Helfman (pronouns: she/her) teaches wilderness medicine courses with Viristar. Laura has been working as an Emergency Physician since 1986, and has been instructing wilderness medical classes since 1997.

Laura trains pediatric and family practice residents in the hospital setting, and sits on the faculty at Asheville-Buncombe Technical College, where she trains EMT and paramedic students in the EMS division. She is a member of the Tennessee DMAT (Disaster Medical Assistance Team), and has worked in international health and women’s health in La Paz, Bolivia.

Laura is active as a professional whitewater river guide on the French Broad, Ocoee and Arkansas rivers in the southeastern USA.

Laura is Board Certified in emergency medicine, and certified as an ACLS, PALS, and ATLS Provider and Instructor, as well as in Wilderness Advanced Life Support. She is a member of the American College of Emergency Physicians, Wilderness Medical Society, American Medical Women’s Association, and Appalachian Center for Wilderness Medicine.

Dr. Krystle Collins

Instructor

Dr. Krystle Collins (pronouns: she/her) instructs wilderness medicine courses with Viristar. Krystle is a general surgeon completing her last year(s) of training at a busy level one trauma center in Portland, Oregon. She has an interest in disaster medicine--when the frontcountry becomes the backcountry. She volunteers with the Portland Neighborhood Emergency Team and the State Emergency Registry of Volunteers in Oregon. Krystle has served as an adventure guide for local organizations including Wild Diversity.

Krystle received her BA in Psychological Anthropology from UCLA and medical degree from Columbia University. She holds an unlimited medical license in the state of Oregon. She is certified in ATLS, ACLS, BLS, and WFR. She is a member of multiple surgical and oncologic organizations as well as a Fellow Candidate of the Academy of Wilderness Medicine through the Wilderness Medical Society.

She enjoys trail running, off-roading/overlanding, backpacking with her dog and husband when she can convince him to join. She lives in Portland, OR and can be found honing her climbing and mountaineering skills. While she has extensive teaching experience up through the medical school level, she is most excited to teach wilderness medicine and merge her passion for medicine with her love of the outdoors.

Mairi Clare Dunlin

Operations Co-ordinator

Mairi Clare (pronouns: she/her) is Viristar's Operations Coordinator. Before starting her overseas adventure, Mairi Clare (MC) worked in the retail healthcare sector prior to setting up her own fitness business in the UK.

In 2008, MC moved to Abu Dhabi, UAE, where she started volunteering for British Scouting Overseas. In 2014, she moved to Kuala Lumpur, Malaysia, where she was instrumental in founding the 2nd Kuala Lumpur Scout Group at a well-known international school. MC has always enjoyed outdoor adventures and experiences, and has given countless Scouts the chance to experience camps, outdoor activities, and all of the best that Scouting offers, including international camps and jamborees. She is currently Group Scout Leader, District Training Advisor, and District Nights Away Advisor with British Scouting Overseas.

Claire Jamieson

Technology Service Delivery Manager

Claire Jamieson (pronouns: she/her) is Viristar's Technology Service Delivery and Quality Assurance Manager. Claire has spent the last 16+ years in software development, initially within the oil and gas industry before moving to web and app development. Claire holds a BSc in Applied Biosciences and an MSc in Environmental Chemistry.

Coming from such a diverse background, Claire loves the professional challenge of working within the field of software. However, when she is not at work she is passionate about her voluntary role at Girlguiding UK and has been an adult member of British Guiding Overseas for almost ten years. She particularly loves the chance to mentor and steer the next generation of girls and young women by introducing them to new skills and experiences. She is proud to be providing them with a safe space to thrive.

Claire has lived in Malaysia for ten years and loves the people, the food and the weather. It's a far cry from the cold temperatures of her home in bonnie Scotland! When not sitting at her computer, Claire enjoys the delights of Malaysia with her family, her rescue dog Finn and the occasional other foster dog that she just couldn't say no to.

HK Gilbert

Education Specialist

HK Gilbert (pronouns: they/them) has worked in outdoor youth development for 10+ years, facilitating field trips, instructing classes, and directing summer camps. HK's interest in the outdoors started when they were a camper themselves at Sea Camp in the Florida Keys, where they became SCUBA certified.

HK has since received a degree in Environmental Studies, and taught at nature centers, science museums, and summer camps around the United States. Most recently, HK directed summer camps for the Girl Scouts and Camp Fire, managing 45-65 staff, 100-300 campers a week, and many high risk activities such as high ropes, rock climbing, wilderness trips, lake aquatics, and target sports.

HK loves teaching others, and their favorite part of working in the outdoor industry is training staff. HK supports Viristar's recurring virtual trainings from their home in Orlando, Florida USA.

Kristina Vateva

Education Specialist

Kristina Vateva (pronouns: she/her) is a Zoom tech with Viristar, assisting with running the behind-the-scenes of Zoom sessions for Viristar’s training courses. Kristina holds a degree from USC and has spent several years working in consulting. Outside of the corporate world, she enjoys spending most of her time outdoors. She’s an avid backpacker, kayaker, car camper, and mountaineer. She grew up exploring the Sierras in California and now resides in the Pacific Northwest—a tad rainier but that doesn’t stop her from getting outdoors. She also has experience as a WFR-certified guide, leading college students on trips at USC and later working for Overland, guiding teens on trips in Alaska.

Nancy Odom

Bookkeeper

Nancy Odom (pronouns: she/her) is Viristar’s full-charge bookkeeper, overseeing finance and accounting for the organization, including payroll, HR benefits management, banking, and accounts payable and receivable. Nancy has over 30 years’ experience in bookkeeping and accounting, including with non-profit and for-profit organizations in the outdoor, wilderness, adventure, education and experiential fields. Nancy is an expert in SME accounting, with an extensive background in multi-state bookkeeping, financial audit preparation, and complex reporting and forecasting procedures. Born in the Philippines and having attended high school in Colombia, Nancy came to the USA for college. She enjoys hiking, baking and gardening. Nancy lives with her family in Anza, California USA.

Amit Arora

Instructor

Amit Arora (pronouns: he/him) has been working in the field of outdoor education for over 15 years. He has lived and worked in the Himalayas, the USA and South East Asia, working as an instructor for Outward Bound, NOLS and other outdoor education programs. Amit’s interest was sparked in medicine in 2016, and he received his Wilderness EMT and National Registry EMT (USA) certifications in 2017. Amit has a passion for teaching outdoor leadership and wilderness medicine, and is developing self sustained expedition models for leading groups in the wilderness. He has a keen interest in writing about wilderness medicine. Amit holds a postgraduate degree in marketing management, and is part of a handful of EMTs in this field in India.

Carl Blondell

Instructor

Carl Blondell (pronouns: he/him) instructs wilderness and remote medicine courses with Viristar. He works as a paramedic in northwestern Maine USA, and has served as a paramedic in Iraq. Carl has worked for several backcountry rescue teams, and has served as a leader for a bike medical team.

Carl is a Registered Maine Guide (Specialized Recreational classification), and helps people enjoy the backcountry experience. He has been involved with Emergency Medical Services since 1973, finally deciding on a permanent EMS career in 1994.

Carl has been a raft guide in Colorado, Utah, Wyoming, Alaska, and Maine, USA. He has been a Ski Patroller (NSP-Certified, PSPA) since 1980. Carl enjoys traveling, skiing, hiking, canoeing, and biking when not working EMS. Carl’s passion is skiing, having skied at 133 ski areas in 19 countries on four continents. Carl has participated in nine EMS Memorial Bike Rides (800 km/500 mi, Boston to Virginia USA) since 2007. He has traveled to Nicaragua several times to help support an orthopedic surgical team.

Deborah Hayes

Instructor

Deborah Hayes (pronouns: she/her) is an instructor with Viristar, teaching wilderness medicine courses for individuals working in remote, offshore, low-resource and backcountry contexts. Deborah has been leading emergency medicine and wilderness rescue trainings since 2013 around the world. She has worked as an instructor at the United States Maritime Resource Center, teaching Fatigue Management, Basic Safety, First Aid and CPR to mariners. She has extensive experience as a Program Director, faculty member, medical officer, U.S. Coast Guard Medical Person In Charge (MPIC), and Captain with maritime education programs, and worked as a risk management consultant in the sail training/tall ship field. Deborah is a US Coast Guard licensed Master, 1600 tons Oceans Auxiliary Sail and has sailed as a professional mariner since 1986. She is an Emergency Medical Technician (NREMT) and is active in providing patient care as an EMT. Deborah received her B.A. in Zoology from Connecticut College.

Rick D'Atre

Instructor

Rick D’Atre (pronouns: he/him) is an instructor with Viristar, providing emergency medicine and wilderness rescue training to outdoor professionals. Rick has 24 years experience as the Risk Manager, Wilderness Guide/Trainer, and Program Manager for YD Adventures, overseeing an extensive program of backpacking, rock climbing, challenge course, and winter ski/camping trips up to 20 days in length. He is also a long-time snowmobile guide trainer and led backcountry and canoe expeditions in the American Northeast in the 1990s. Rick is a Wilderness EMT and Eagle Scout, and has training from the National Ski Patrol in Mountain Travel & Rescue, from the AMGA as Top Rope Site Manager, from SW VA Mountain Rescue Group in Search and Rescue, and from the Northwest Avalanche Institute in avalanche hazard management. Rick has an electrical engineering degree, five children, and volunteers for his local ambulance service. Rick lives outside of Leavenworth, Washington USA.