Marc Aixalà is a Telecommunication Engineer, Licensed Health Psychologist, and Psychotherapist with expertise in Integrative and Strategic Therapy. He specializes in the therapeutic use of Non-Ordinary States of Consciousness and MDMA-assisted psychotherapy for PTSD. Since 2013, he has coordinated support services at ICEERS, offering integration psychotherapy. Based in Barcelona, Marc is also a Holotropic Breathwork facilitator, Grof Transpersonal Training staff member, and researcher. He has led workshops across Europe and worked with Kosmicare at Boom Festival. He is involved in clinical trials for MDMA and psilocybin therapy and authored Psychedelic Integration: Psychotherapy for Non-Ordinary States (2022).

Bessel van der Kolk is a Dutch psychiatrist, author, researcher and educator. Since the 1970s his research has been in the area of post-traumatic stress. He is the author of The New York Times best seller, The Body Keeps the Score.

Van der Kolk formerly served as president of the International Society for Traumatic Stress Studies and is a former co-director of the National Child Traumatic Stress Network. He is a professor of psychiatry at Boston University School of Medicine and president of the Trauma Research Foundation in Brookline, Massachusetts.[1]

Van der Kolk has published more than 150 peer-reviewed scientific articles[2] and four books.[3]

In 2016, following a sudden non-dual experience, Jessica Corneille shifted her career from arts and cultural heritage to focus on raising awareness around spiritual awakening and non-dual experiences within psychology. She earned a Master's in Psychology with Distinction from the University of Greenwich, specializing in exceptional human experiences. Now a research psychologist, she focuses on spontaneous spiritual awakenings and non-ordinary states of consciousness. Jessica has presented at academic conferences and works with the Scientific and Medical Network, the Galileo Commission, and the Spiritual Crisis Network, and is a certified Kundalini Yoga teacher.

Katherine MacLean, Ph.D. is a research scientist with expertise in studying the effects of mindfulness meditation and psychedelics on cognitive performance, emotional well-being, spirituality and brain function. As a postdoctoral research fellow and faculty member at the Johns Hopkins University School of Medicine, she conducted clinical trials of psilocybin, the primary chemical found in “magic mushrooms,”  and other psychedelic compounds. Her groundbreaking research on psilocybin and personality change suggests that psychedelic medicines can enhance openness to new experiences and promote mental health and emotional well-being throughout the lifespan. Dr. MacLean co-founded and directed the first center for psychedelic education and training in New York, was featured in the New Yorker article entitled “The Trip Treatment” by Michael Pollan, and her TED Talk has been viewed nearly fifty thousand times.

Tree is a published author, TEDx speaker, and expert in Transpersonal Psychology, specializing in dreams, death, altered states, and psychedelic therapy. A certified Death Doula and Wiccan High Priestess, she teaches at The Magickal Path School and the College of Psychic Studies.

As a Psychedelic Therapist, she guides clients through integration sessions and supports spiritual and emotional transitions as a Death Doula. Tree has authored several books, including DREAMS and A Spell a Day (2023). Her work has been featured in major outlets like The Guardian and The New York Times. She also teaches Tarot and Astrology.

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Crispin was elected MP for Reigate in 1997 having formerly served as an army officer and subsequently Special Adviser in the Ministry of Defence and Foreign Commonwealth office. In Parliament, Crispin was a Shadow Minister with briefs including trade, energy and science; security and counter-terrorism. Since 2010 he has served as both Minister for Prisons, Probation and Youth Justice and as Chair of the Foreign Affairs Committee.

He is the first Conservative to Co-chair of the All-Party Parliamentary Group (APPG) on Drug Policy Reform, Chairs the APPG for Global LGBT Rights, and is Co-Chair of the APPG for Humanism. He is also the founder and unremunerated chair for the Conservative Drug Policy Reform Group Ltd, whose objective is to promote evidence-based drug policy reform on the centre-right.

Dr. Gabor Maté is a renowned physician, author, and speaker known for his expertise in addiction, trauma, stress, and childhood development. With over 30 years of clinical experience, he has explored the profound connections between emotional health and physical illness.

His bestselling books, such as In the Realm of Hungry Ghosts and The Body Keeps the Score, delve into the impacts of trauma on health and well-being. Dr. Maté is a sought-after speaker worldwide and an advocate for compassionate approaches to mental health, addiction, and trauma recovery.

Jasmine is a freelance writer in the psychedelic space, working with Synergetic Press since 2018. She has contributed to platforms like Psychedelics Today, Chacruna Institute, Lucid News, and Cosmic Sister. Currently pursuing an MSc in Spirituality, Consciousness, and Transpersonal Psychology, Jasmine aims to become a therapeutic practitioner in the psychedelic field. She also volunteers for Fireside Project's psychedelic peer support line.

Recognized among the 40 Under 40 Outstanding BIPOC Leaders in Drug Policy, Jasmine advocates for raising awareness of the socio-historical contexts of psychedelics for ethical and accessible integration into modern life.

Co-founder of the Trauma Research Foundation.

Licia Sky is a somatic educator, artist, singer-songwriter, and bodyworker who works with traumatized individuals and trains mental health professionals to use mindful meditation in movement, theater exercises, writing, and voice as tools for attunement, healing, and connection. She is a regular instructor in trauma healing workshops at Cape Cod Institute, Kripalu, and Esalen. For the past decade, she has been teaching expanded awareness in workshops to clinicians and laypeople around the world.

www.trauamresearchfoundation.org

Darren Le Baron is a researcher, educator, and mycologist known for his work in ethnomycology, African indigenous wisdom, and the cultural significance of psychedelic plants and fungi. With a focus on the use of mushrooms in traditional African healing practices, Darren has become a respected figure in the global psychedelic community, offering workshops, lectures, and mushroom cultivation courses worldwide.

He is a passionate advocate for the power of fungi to promote health, consciousness, and environmental sustainability, blending ancestral knowledge with modern science. Darren regularly speaks at conferences and festivals, sharing his insights on psychedelics, permaculture, and holistic wellness.

Dr. Ben Malcolm, also known as "The Spirit Pharmacist," is a pharmacist and expert in psychedelic pharmacology. He provides education, consultation, and guidance on the safe use of psychedelic substances, integrating his knowledge of pharmacology with mental health care. Dr. Malcolm holds a Doctor of Pharmacy degree and a Master’s in Public Health, specializing in the therapeutic potential of psychedelics for conditions like depression, anxiety, and PTSD. Through his work, he advocates for the safe, ethical, and informed use of psychedelics in both clinical and personal contexts.

Maria Papaspyrou is a senior accredited psychotherapist, supervisor and systemic facilitator based in Brighton UK (Towards Wholeness). Her clinical practice focuses on psychedelic integration and working as a supervisor for individuals and organisations in this field.

She has co-edited “Psychedelic Mysteries of the Feminine” with Chiara Baldini and David Luke and “Psychedelics & Psychotherapy: The Healing Potential of Expanded States” with Dr Tim Read. Together with Tim Read they have cofounded and codirect the Institute of Psychedelic Therapy and curated and teach a two-year professional training in psychedelic assisted therapy, based on their model of Depth Relational Process.

Alexander is an author, journalist and facilitator focused on bringing new ways of seeing and being from the margins of culture into the mainstream. He does this through writing, and by creating transformative experiences that invite us to find ways to evolve and thrive in the chaotic times we live in. He is the author of The Bigger Picture: How psychedelics can help us make sense of the world and write a popular Substack, The Bigger Picture.

Alexander is an executive director of Breaking Convention, Europe's longest-running conference on psychedelic medicine and culture. H was also one of the founders of Rebel Wisdom, a popular alternative media platform that ran from 2017-2022 and explored the cutting-edge of systems change and cultural sensemaking.

Chara Caruthers is an experienced facilitator and lifestyle medicine practitioner with decades of experience. Her work blends eastern spiritual traditions, indigenous wisdom, and modern science.

She holds a Master’s in Transpersonal Psychology and certifications in psychedelics, transpersonal coaching, and Holding Space practices. As a certified Yoga Therapist and Ayurvedic practitioner, Chara is dedicated to bridging ancient traditions with modern mental health approaches, focusing on community as a key element of well-being and supporting psychedelic experiences.

Richard Lang is a teacher and facilitator of The Headless Way, a simple yet profound method of self-inquiry developed by Douglas Harding. For over four decades, Richard has shared this practice, which helps people directly experience their true nature, or "headlessness," through workshops, talks, and online resources.

He has dedicated his life to making this approach accessible to people worldwide, offering a clear path to self-awareness, inner peace, and a deeper understanding of consciousness. Richard is also the author of several books on the subject and continues to guide people in exploring this unique approach to self-discovery.

Christopher Timmermann (PhD) obtained a BSc in Psychology in Santiago, Chile and an MSc in Cognitive Neuroscience at the University of Bologna in Italy. He is currently a post-doc at Imperial College London at the Centre for Psychedelic Research, where he leads the DMT Research Group, specialized in the potent psychedelics N,N-DMT and 5-MeO-DMT and their effects in the human brain and consciousness. 

His empirical and theoretical work focuses on the neuroscience, psychiatry, psychology, pharmacology, beliefs and ethics of psychedelics, their relationship to consciousness and applications in mental health. His work has been covered in BBC, CBC, Wired, The Times, New Scientist, and is a columnist for Psychology Today. He is also the director for the Foundation for the Study of Human Consciousness (EcoH) in Chile.

Hattie Wells is a psychedelic practitioner, educator, and researcher with extensive experience in the therapeutic use of psychedelics for mental health and personal growth. She has worked for over a decade in the field of psychedelic-assisted therapy, guiding individuals through transformative healing experiences.

Hattie is dedicated to integrating indigenous wisdom with modern therapeutic practices, advocating for safe, ethical, and culturally informed approaches to psychedelics. In addition to her work as a practitioner, she is involved in research and public education on the potential of psychedelics for mental health, helping to shape the future of psychedelic therapy.

Sam is a PhD ecologist and independent researcher. He has varied experience of working within the psychedelic field, including as a past scientific assistant to the director of the Beckley Foundation and as a research assistant with the Synthesis Institute. His work has also involved science communication, including as a senior science writer for Wavepaths, delivering presentations in association with Seed Talks, and delivering fungi cultivation workshops in association with the Psychedelic Society.

A lifelong nature lover, he has a research interest in the capacity of psychedelics to influence human relationships with nature, and is a collaborator with Onaya Science and the Centre for Psychedelic Research at Imperial College London.

Dr. David Luke is an Associate Professor of Psychology at the University of Greenwich, where he has taught the Psychology of Exceptional Human Experience since 2009. He also leads the Professional Certificate in Psychedelics at the Alef Trust and has served as a lecturer at Imperial College London. His research focuses on transpersonal experiences and altered states of consciousness, especially through psychedelics, with over 100 academic papers and 13 books, including DMT Entity Encounters (2021).

He co-founded Breaking Convention and directs the Ecology, Cosmos and Consciousness salon. Dr. Luke has given over 500 talks and explored consciousness practices worldwide.

Dr. Rosalind Watts is a clinical psychologist and Clinical Lead for Imperial College London's psilocybin trial, making her a leading figure in psychedelic research. Named among the 50 Most Influential People in Psychedelics, she focuses on integration, harm reduction, and inclusion. Dr. Watts co-founded the UK's first psychedelic integration group and launched ACER Integration in 2022, a global community supporting post-psychedelic connectedness. Inspired by nature, she emphasizes the importance of integration for the safe and effective use of psychedelics.

Dr. Adele Lafrance is a clinical psychologist, research scientist, and certified eating disorder specialist and supervisor. She is a leader in the research and practice of psychedelic medicine in the context of eating disorders, with a focus on ayahuasca, MDMA, and psilocybin. Currently, Dr. Lafrance is the clinical investigator and strategy lead for the MAPS-sponsored MDMA-assisted psychotherapy study for eating disorders, and a collaborator on the Imperial College study for psilocybin and anorexia nervosa. She is also co-developer of Emotion-Focused Ketamine-assisted Psychotherapy and Emotion-Focused Family Therapy for Eating Disorders. Dr. Lafrance has a particular interest in mechanisms and models of healing, including spirituality, emotion processing, and the application of psychedelic medicine in the context of couples and family therapy. She has published extensively in the field of emotion and health, including a clinical manual and expert training video published by the American Psychological Association.

Psychotherapist and respected author, Friederike Meckel Fischer, is nothing short of a legend within the psychedelic community, her career spanning more than 30 years and beginning as a Holistic Breathwork facilitator working in Germany.

In the late 90s, she secretly developed her own style of psychotherapy with psychedelic drugs, but a patient’s betrayal led to Meckel’s arrest in 2009 and she was sentenced to 16 months in prison for trafficking LSD. Although she no longer uses drug-induced methods in her practice today, she educates and inspires the next generation through her psychological counselling and interviews, advocating the integration of psychedelic and non-drug-induced therapy styles for effective healing.

The Seed Sistas, Karen Lawton and Fiona Heckels are herbalists, eco-activists, published authors and have a down-to-earth attitude towards plant magic.  After completing BScs in Medical Herbalism and Health Sciences, they developed Sensory Herbalism which is an emergent tradition rooted in chaos, both ancient and evolving.  They cultivate change through their work with social enterprise Sensory Solutions Herbal Evolution, giving talks, writing and developing community medicine gardens.  They explore the cross over of magic and medicine, and the reintroduction of magical practices into clinical herbalism. 

Dr. Beatriz Caiuby Labate (Bia Labate) is a queer Brazilian anthropologist based in San Francisco. She has a Ph.D. in social anthropology from the State University of Campinas (UNICAMP), Brazil. Her main areas of interest are the study of plant medicines, drug policy, shamanism, ritual, and religion. She is Executive Director of the Chacruna Institute for Psychedelic Plant Medicines (http://chacruna.net), as well as being Public Education and Culture Specialist at the Multidisciplinary Association for Psychedelic Studies (MAPS) and Adjunct Faculty at the East-West Psychology Program at the California Institute of Integral Studies (CIIS). Bia co-founded the Interdisciplinary Group for Psychoactive Studies (NEIP) in Brazil, and is author, co-author, and co-editor of twenty-one books, two special-edition journals, and several peer-reviewed articles.