Medical Support Team

Sirius Wilderness MedicineSIRIUSMEDx maintains a pool of more than 120 experienced and fully certified nurses, nurse practitioners, paramedics and first aid attendants. Our medical team is supported by our Medical Advisory Board.


Carl Grondines, B. Sc. Inf, Director of Clinical Services

Carl Grondines

Carl supervises the implementation of SIRIUSMEDx’s medical practices in remote clinical environments. He recruits, trains and supervises our pool of nurses, paramedics and other medical support personnel and he advises our clients on occupational health and safety requirements and medical service needs. Carl has a bachelor degree in nursing sciences from the University of Montreal. He has more than 20 years of clinical nursing experience, including in emergency medicine, critical care and remote community medicine. He also has extensive experience in nursing management. Before joining SIRIUSMEDx, Carl was a nursing consultant in the Jewish General Hospital’s Emergency Department and more recently at the CSSS des Sommets in Sainte-Agathe-des-Monts where he supported nurses throughout the Laurentian hospital sector. Among other positions held over the years, he was also head nurse at the Tullatakik Health Center in Ungava Bay, Northern Quebec as well as manager of the CSSS des Sommets pharmacy.

Yannick Sisla, Director of Medical Support

Yannick Sisla

Yannick is a senior Sirius instructor, remote site medic and a member of our administrative staff. As a Remote Emergency Medical Technician, Yannick divides his time between working as a medic on remote work sites in the Canadian north and coordinating SIRIUSMEDx’s many Medical Support Services projects. He teaches the full range of our remote worksite safety programs, from wilderness first aid to search and rescue and wilderness readiness.

Julien Henry, B. Sc. Inf.

Julien Henry

Julien is a Registered Nurse, licensed in Quebec, Nunavut and the NWT. He works for SIRIUSMEDx in a number of capacities. He is an active Sirius instructor, a regular nurse and paramedic on remote camps for our medical support services and a member of the SIRIUSMEDx administrative team in Sainte-Adèle. His administrative tasks involve program development for our medical support services, including developing medical ERPs and protocols and producing site documentation. In between his assignments for SIRIUSMEDx, Julien works as a paramedic on the streets of Montreal and Laval and as a professional ski patroller at Mont Tremblant. As a nurse, Julien worked for two years in a busy Montreal emergency department. He gained experience in the wilderness through many years in summer camps where he guided groups of youth on white-water canoeing and hiking expeditions.

Dominique Ballet

Dominique Ballet

Dominique has more than 20 years of experience in pre-hospital emergency care. He is an emergency medical technician and a wilderness first responder. He has been a Sirius instructor since 2001, and has taught our courses all across Canada. Dominique combines his passion for pre-hospital emergency care and his love for the arctic in his work for Sirius. He has frequent mandates in the Canadian north, both as remote medic and as instructor. He is also a First Aid Instructor for Québec’s Commission de la santé et de la sécurité du travail (CSST), and has guided extensively across Canada and abroad.

André-Jean Maheu

André-Jean Maheu

André-Jean is a Primary Care Paramedic, Wilderness Emergency Medical Technician, professional avalanche forecaster, ski patroller and has been working in the outdoor industry as instructor and guide since 1990. For more than 10 years André-Jean has worked for SIRIUSMEDx as a senior instructor and a medical attendant on remote worksites in the high arctic. He teaches Sirius programs in the Wilderness Leadership program at Capilano University and trains professional ski patrollers in first aid, avalanche rescue, critical decision making and leadership. Over the years he has gained experience in rock and ice climbing, backcountry skiing, mountaineering, as well as white-water and sea kayaking.

Ron Romero

Ron Romero

Ron is a Primary Care Paramedic working for British Columbia Ambulance Services. He is pursuing his studies in Human Kinetics at Capilano University, has 8 years of ski patrolling and outdoor wilderness experience, and is certified in rope rescue and avalanche skills. Ron has worked as a remote site medic for SIRIUSMEDx since 2008.

Lise-Anne Masson, RN, B. Sc. 

Lise-Anne Masson

Lise-Anne has been a Sirius Instructor since 2001 and a Master Instructor since 2006. She has taught all levels of Sirius courses to a wide variety of clientele and helped to develop Sirius training programs. As a Wilderness Emergency Medical Technician, she worked on numerous projects on Baffin Island and assisted in the development of our remote medical support services in the Arctic. After working as a clinical nurse in critical care, she now teaches nursing. She is a graduate of the Outdoor Adventure Tourism program at the Université du Québec à Chicoutimi. An avid paddler and traveller, she worked as a guide in various fields, particularly therapeutic adventure.

Kent Wood, B. Ph. Ed.

Kent Wood

Kent is a primary care paramedic whose accreditations include HAZMAT/WMD response, mine rescue, Basic Cardiac Life Support instructor and First Responder instructor. He works as an ambulance technician and a first responder in the province of Québec and a remote site paramedic for SIRIUSMEDx in the Canadian north. Passionate about pre-hospital care, he is always researching leading edge care and equipment. Kent has a bachelor’s degree in Physical Education from the University of New Brunswick. He has been an avid practitioner of outdoor pursuits for many years. He is also a partner in a skydiving club, a pro exhibition jumper, and a safety and training advisor for the United States Parachute Association.

Martin Hanzalek

Martin Hanzalek

Martin is an Advanced Care and Critical Care Paramedic with ITLS, ACLS, PALS, NRP and IV therapy endorsements. He holds multi-provincial registration and is experienced with air medical transport, helicopter long line operations and remote site clinic management. Martin has a decade of experience instructing Advanced Wilderness First Aid programs, Marine First Aid, Emergency Medical Responder programs (EMR) and all levels of CPR (including healthcare provider). Martin is a registered Search & Rescue Manager experienced in staging, search methodology and resource allocation, and is an experienced rock and ice climber, skier, scuba diver, paddler and adventure guide. Martin has been actively working with SIRIUSMEDx since 2005.

Céline Jaccard, B. Sc.

Céline Jaccard

Céline is a Wilderness Emergency Medical Technician, has a diploma in adult education and a Bachelor’s of Science in Outdoor and Adventure Tourism from the Université du Québec à Chicoutimi. Passionate about the outdoors and first aid, Céline has joined the local volunteer search and rescue team wherever she has chosen to live. She recently moved to Qikiqtarjuaq on Baffin Island, where she is partnering with members of the community to develop an adventure tourism program. Formerly a ski patroller and ski instructor in Alps, she is an avid backcountry and alpine skier. Céline joined the instructor team in 2012. She regularly works for SIRIUSMEDx as a medic in the arctic and as a Sirius instructor across Canada.

Josh Henshaw

Josh Henshaw

Josh is a Primary Care Paramedic with the British Columbia Ambulance Service. He has experience in search and rescue, mountain rescue and event and expedition medical support. Josh is currently completing his Health Sciences degree and a Cardiology Technologists diploma, and has taken post-secondary courses in emergency management, conflict resolution and facilitation. His passion for emergency medicine started with Advanced Wilderness First-Aid training, and Josh has led successful big-mountain expeditions in Alaska, the Yukon and the French Alps, as well as climbing and hiking trips in the Russian Caucasus, China and Nepal. Josh currently resides in beautiful Victoria with his wife Heather.

Jason Peck

Jason Peck

Jason is from the northern Ontario community of Hearst, and worked in the forestry industry for 13 years. Jason’s experience includes working as a mine rescuer in Sudbury, an EMS Preceptor in Sudbury, a patient transfer attendant in Ottawa and a skate patroller (first aid) on the Rideau Canal. His certifications include WHMIS, respiratory hazards and fall protection rescue equipment. Jason is passionate about hockey, skiing and baseball. He coached bantam and midget hockey in his hometown and coordinated a summer camp for kids. Jason joined SIRIUSMEDx in 2016 as a remote primary care paramedic.

Lauriane Schied, RN

Lauriane SchiedOriginally from the French Alps, Lauriane is a clinician nurse passionate of outdoors and adventure sports. She works for SIRIUSMEDx as an industrial health and safety nurse on projects in remote areas since 2017. Her good humor and her smile are contagious on the sites where she goes. Member of the Quebec nurse board (OIIQ), she has several years of experience in emergency hospital care in Quebec City and Saguenay. Over the years, Lauriane has acquired extensive experience in dispensary work in Côte-Nord (Qc) and airborne transportation as a flight nurse responsible for equipment and communications during inter-hospital transfers or rescue missions. She is also certified in pre-hospital trauma care (PHTLS).