Jelena Silvuka

was born and raised in Serbia, where she got her master’s degree in psychology and a master’s degree in theology.  She became a Christian 30 years ago and a few years later got involved in ministry with her husband Greg, planting churches, distributing humanitarian aid, and partnering with Joni and Friends, serving people with disabilities.  Jelena has also worked as a psychologist and therapist in Serbia’s schools, social centers, medical clinics, and she is currently overseeing International Counselling School in MENA Region, finishing Ph.D. research on the topic of Mental Illness and Suffering, and serving as in country Director for Joni and Friends Organization. Jelena is the founder and director of the non-profit organization Hana's Hope. She has been blessed with three children: Benjamin, Sara, and Hana, who has autism.

Pablo Martinez

is a psychiatrist. He holds a private practice in Barcelona with a special focus on the Medicine of the whole Person and existential psychotherapy following the approach of Dr. Paul Tournier. He develops a valued worldwide ministry as lecturer and teacher. His books have been translated into 20 languages. Closely involved with ICMDA since he was young, he served  as one of its vice presidents (1998-2006).

John Wyatt

worked as a Neonatologist and Professor of Neonatal Paediatrics at University College London, UK for more than 25 years. His role combined clinical care of sick newborn babies and leading a research team on the prevention and treatment of brain injury. As his experience grew he became increasingly concerned about the complex ethical issues he was facing and this led to a new focus on engaging medical ethics from a Christian perspective. He is now concentrating on research into new technologies - especially AI and transhumanism - writing, teaching and investing in the next generation of Christian physicians.

Jason Roach

is a medical doctor by background. He was the founder and senior pastor of The Bridge Church Battersea in London, as well as serving as a special advisor to the Bishop of London. He currently is the Director of Ministries at London City Mission and is a well-known evangelical author and speaker on a range of topics. Jason’s latest book “Healing the Divides” looks at issues of race and God's vision for unity and diversity, helping churches to engage constructively with the wider conversation in our culture around issues of race and diversity. In his current role at LCM, Jason sits on the senior leadership team, and overseas teams based across London who are seeking to come alongside churches and individuals to encourage and equip them in their evangelism and especially in reaching out to those who are least likely to hear the good news of the Gospel. Jason is married to Rachel and they have 4 children.