"Our job is to awaken possibility in other people"
-B. Zander
TRAIL
CORE TEAM
​
“Do not go where the path may lead, go instead where there is no path and leave a trail.”
— R.W.Emerson
VERDA SISMAN
Adjunct professor in Leadership Development at TIAS, Founder and Managing Director of OakTreeMe
Verda is an experienced global business leader, executive coach and facilliator.
​
"I am fascinated with our capacity to grow and
transform. Supporting people to discover their true
potential which often lies concealed within themselves, is the most fulfilling job I can ever imagine."
JOHN VAN GIELS
Trainer, facilitator & UIMLA International Mountain Leader
John runs wilderness & leadership trails, organisational consultancy and Leadership development, in business and outdoor settings alike.
"Living humbling experiences and near fatal
accidents, I experienced what a great teacher
nature can be... Dealing with uncertainties, fears,
complex situations, potential and possibilities."
NESET IRSIK
Executive coach, mentor, facilitator
Neset has 30+ years at multinationals leading Business Units as a General Manager. He has been building and leading multicultural teams in Asia, Europe, the America's and headed several business transformations.
​
“I am a firmly believer that unlocking your true potential is a prerequisite for living your life with fulfillment. It's fascinating to support people on their journey and see them transform to the best version of themselves.”
BARBARA VAN DER MEER
Trainer, yoga- and mindfulness teacher & mountain expedition leader
Barbara has a background in strategy consulting and now runs her own businesses in yoga & mediation (Delta Yoga) and training & development (Delta Development), organizing retreats and leading mountain expeditions around the world.
​
"It's my job to help people use present moment awareness and focused energy to reach their full potential."
RUUD VAN DE VEERDONK
Trainer, coach & stress-management and performance expert
Ruud works for the Dutch Police Academy. He is responsible for training team members and executives for the Dutch arrest and intervention teams.
He developed a mental resilience program in collaboration with a sports psychologist for increasing mental strength, in which 42,000 police officers will take part.
HARMEN
VAN DIJK
Coach, facilitator, outdoors guide and adventurer
"Nature and people are my passion. I live and work outside whenever possible. Since 2014 I have been taking men and women on a journey into nature and by that on a journey to themselves. I believe nature provides us with many opportunities for personal leadership development.
Becoming aware of the pure magic in nature and honoring natural transitions such as the changing of seasons brings us back to our essence and opens doors for transformational growth."
FRANS CUSTERS
Performer, dancer, movement and grounding coach &facilitator
Frans has been working as a performer and dancer for over 35 years.
He teaches movement, dance and mime techniques where body awareness is an essential part. He uses his movement theatre and dance experience to bring others into contact with their bodies, their pure feelings and help them let go of their thinking.
“I strongly believe that, as the owner of a grounded body, you have easier access to your intrinsic compass and can make stronger decisions. You have more contact with your feelings and can better determine what is best for you.”