Professional Team

Dr Stephen-Claude Hyatt

Clinical Health Psychologist
& Traumatologist

Dr. Stephen-Claude Hyatt is a Jamaican national who has been living and working in Asia as a Mental Health Doctor (Clinical Health Psychologist and Traumatologist) since 2006. He received his training from The University of the West Indies in Jamaica, Harvard Medical School and Fielding Graduate School in the USA, and the Wiesbaden Academy of Psychotherapy in Germany.

Previously he worked with the Beijing Vista Clinic, and then International SOS Beijing (ISOS), where after a year he was appointed Head of the Mental Health Department. He remained in that position through the transition of SOS clinics in China being bought out in 2016 by Raffles Medical Group (RMG) from Singapore. Currently, he is Managing Partner for CALM International, overseeing the running of the company.

Dr. Hyatt has been a Therapist for the past 22 years and served in varying capacities across institutions during this time. He worked as a Clinical Psychologist at a psychotherapeutic clinic in Jamaica, he was a member of the trauma response team of the Ministry of Education in Jamaica, and lectured graduate students in Psychology at the University of the West Indies in Kingston, Jamaica, as a Lecturer and Course Coordinator. He also lectured medical students in Psychological Formulation at the same institution. In 2010 he was invited by the Capital Medical University in Beijing as a repeat guest lecturer to lecture 3rd year international medical students in psychology. He has expertise in clinical psychology, health psychology, men’s health, trauma and recovery, marital and family therapy, mood and anxiety disorders, as well as team building.

He has conducted countless seminars all over the Caribbean and in the US. Since being in Asia, he has conducted several seminars and workshops within various organizations, including many Embassies, Intel, Volkswagen, BMW, multiple International Schools, the Beijing International Christian Fellowship (BICF) and the Beijing Olympic Committee. Most of these workshops have been created specifically to address needs within these organizations. Additionally, Dr. Hyatt was one of the Psychologists called upon to assist residents in Sichuan, China after the devastating earthquake on May 12, 2008, and was the lead psychologist tasked with working with families and friends of those on the missing Malaysian Airlines MH370 in 2014. He has also dealt with the effects of trauma and grief created by natural and man-made disasters.

He is a member of the Jamaican Psychological Society (JPS), and the American Psychological Association (APA).

(Desmond) Tan Jiunn Kiat

Executive Partner

Mr. Tan Jiunn Kiat (Desmond) is a Singaporean who has been working in North Asia for the last 14 years. Over the last two decades, he was in charge of various projects located in Singapore, Malaysia, China, Taiwan and Hong Kong.

Desmond moved to Beijing in July 2006 and was able to contribute to the infrastructural development of Beijing and other regional cities, in his capacity as head of an International US firm. He was tasked with advising clients on many interior and large-scale construction projects from conceptualization to delivery.

As part of his success and his out-going character, Desmond was able to take on an Asian role with his current company as their Asia Expert. He is currently the Group Managing Director for a leading interior architectural firm, that has 7 offices in the region. He however longed to do more, yearning to work with designing a mentally and emotionally stable space for the growth and development of the individual and organization at large, not just designing creative spaces. Therefore, when he was invited by his good friend and current business partner to set up Cognitive Assurance Life Management International (CALM), with the aim to provide specialized training, psychoeducational assessment, as well as workshops and seminars for growing companies in Asia, he jumped at the opportunity. Desmond is also experienced in identifying and guiding individuals who may require performance / executive coaching input at the various stages of their career.

Having a regional company with multiple local and international clients, Desmond understands the stress and anxiety that both an individual and a company inevitably endures. Therefore, with CALM International, he has shared his personal experiences and lessons that have shaped his thinking as firstly an Asian citizen, but also a global entrepreneur. Together with his trusted partners and associates in CALM International, Desmond wants to help companies excel and see the issues at hand from a truly Asian perspective, so they make better decisions to push and aid the companies forward in Asia, and even globally.

Desmond graduated from Nanyang Technological University with a 2nd class honours degree in Engineering. He obtained his “green” certification from USA, and is a recognized LEED and WELL AP. He is also a Chartered Engineer in the UK.

Mary Chan

Mental Health Counsellor

Mary Chan is a Clinical Mental Health Counsellor, and she is also an award winning tv/film producer. Mary is from Hong Kong, received her professional training in the Pacific Graduate School of Psychology in the US and certified in Canada. She has worked previously with International SOS and Raffles Medical Group, and is currently a Salaried Partner with CALM International.

Having worked with a Hollywood studio has enriched Mary’s exposure to different cultures and dynamics around the world and that multi-cultural experience and appreciation has benefitted her current role as a therapist and trainer.

Mary has worked in various settings within organizations, private practices and foreign clinics in China, and has gained a wide range of experiences working with psychological issues such as stress management, marital and interpersonal conflicts, mood and anxiety disorders.

Mary Chan is currently a member of Canadian Counselling and Psychotherapy Association, American Counselling Association, Canadian Association for Play Therapy, Association for Contextual Behavioural Science and Chi Sigma Iota, the counselling academic and professional honour society international.

Dr. Claudine Hyatt

Clinical Psychologist
& Traumatologist

Dr. Claudine Hyatt is a Jamaican national and a Fulbright Scholar, who has been working in Asia since 2015 as a Clinical Psychologist and Traumatologist. She received her training from the University of the West Indies in Jamaica, and Ball State University in the USA.

Previously she worked as a school counsellor in the Jamaican Education System, was a senior psychology lecturer at one of the top colleges in Jamaica, was director of the psychotherapy clinic at that organization, and is the immediate former head of the mental health department for Raffles Medical Group Beijing. Currently she is a salaried partner with CALM International.

Dr. Claudine Hyatt has been a therapist for over two decades, with broad experience in Clinical psychology. While she practices as a generalist, she has specialized training and has worked in the area of traumatology, with a focus on posttraumatic disorders. She has taught as instructor in universities in the USA and Jamaica, focusing on psychology, psychological assessment, trauma-recovery, anxiety disorders and personality development. She also has much experience in conducting workshops and seminars in Jamaica, the USA and China to various international school, embassies and corporate organizations. She has many years of experience responding to workplace crises, mediating conflict and facilitating workshops and trainings.

She is a registered member of the American Psychological Association, USA and the International Society for Traumatic Stress Studies USA.

Friendly atmosphere
for all of your thoughts

Make Appointment