The ZAP Crew started as a family affair. When Uyen and Dean married it joined together families from Sweden and Australia. It also brought together a wealth of knowledge across medicine, mental health, personal training, education and research.
Uyen and Dean Wheeldon

Founder: Uyen Wheeldon, MD, PhD

Dr. Uyen Wheeldon is a physician with experience planning and conducting a major research project as well as smaller studies, collecting, interpreting, evaluating, and translating research findings for practical use. She has also taught and created structures for lifelong learning within the medical field.

She brings these skills and experience to bear here at ZAP. Dr. Wheeldon views child health from a global perspective and understands the importance of collaborations across cultural and national boundaries, having worked internationally in Vietnam and India in addition to her home country of Sweden. She is fluent in Swedish, English, French, and Vietnamese. She has experience with children with ASD, ADHD, depression, anxiety and OCD.

Uyen Wheeldon

Professional Experience

  • Senior consultant Aneasthesiology and Intensive Care (current)
  • Prehospital senior consultant at SOS-Alarm and Swedish healthcare helpline 1177 (current)
  • Board member of SFAne, subcommittee of Swedish Association in Anesthesiology and Intensive Care (SFAI) (current)
  • Consultant in Anesthesiology and Intensive Care, Karolinska University Hospital Huddinge (2017-2019)
  • Head of Unit of Emergency Surgery and Orthopedic Anesthesiology, Department of Perioperative Medicine and Intensive Care, Karolinska University Hospital Huddinge (2017-2018)
  • Chief medical officer in Gynaecological anaesthesiology, Danderyds Hospital (2014-2015)
  • Specialist Doctor, Department of Anesthesiology and Intensive Care, Danderyd Hospital (2013-2014)
  • Resident Doctor, Department of Anesthesiology and Intensive Care, Danderyd Hospital (2006-2013)
  • Medical Doctor, Danderyd Hospital (2001-2006)


  • Program in Perioperative Medicine and Management, Scandinavian Society of Anaesthesiology and Intensive Care Medicine (2019)
  • Specialist degree in Anaethesiology and Intensive Care (2013), Swedish National Board of Health and Welfare
  • Ph.D. Medicine, Karolinska Institutet, dissertation on ”Management of Helicobacter pylori infection in Vietnam” (1999-2004)
  • M.D., Medicine, Karolinska Institutet (1994-2001)


  1. Hoang TT, Rehnberg AS, Wheeldon TU, Bengtsson C, Phung DC, Befrits R, Sörberg M, Granström M. Comparison of the performance of serological kits for Helicobacter pylori infection with European and Asian study populations. Clin Microbiol Infect. 2006 Nov;12(11):1112-7.
  2. Wheeldon TU, Hoang TT, Phung DC, Björkman A, Granström M, Sörberg M. Long-term follow-up of Helicobacter pylori eradication therapy in Vietnam: reinfection and clinical outcome. Aliment Pharmacol Ther. 2005 Apr 15;21(8):1047-53.
  3. Wheeldon TU, Granström M, Hoang TT, Phuncarg DC, Nilsson LE, Sörberg M. The importance of the level of metronidazole resistance for the success of Helicobacter pylori eradication. Aliment Pharmacol Ther. 2004 Jun 15;19(12):1315-21.
  4. Hoang TT, Wheeldon TU, Bengtsson C, Phung DC, Sörberg M, Granström M. Enzyme-linked immunosorbent assay for Helicobacter pylori needs adjustment for the population investigated. J Clin Microbiol. 2004 Feb;42(2):627-30.
  5. Wheeldon TU, Hoang TT, Phung DC, Björkman A, Granström M, Sörberg M. Helicobacter pylori eradication and peptic ulcer healing: the impact of deleting the proton pump inhibitor and using a once-daily treatment. Aliment Pharmacol Ther. 2003 Jul 1;18(1):93-100.

Business Advisor: Dean Wheeldon, B.Bus

Dean Wheeldon

Dean has a wealth of over 30 years of business experience across consulting, compliance, risk management, technology development, and team building. After obtainng his degree and starting his career in Australia, he spent a number of years working in Vietnam, the UK and India and now resides with his wife and two teenage children in Sweden.

As an avid endurance athlete who has mountaineering, rock and ice climbing experience on 5 continents, he knows the importance of fitness, wellbeing, and nutrition for maintaining top mental and physical health. He lost 25kg over 10 years and now maintains a healthy BMI of 23.

Professional Experience

  • Ernst & Young (EY) - 5 Global roles across Risk Management, Operations, Taxation & Payroll (2004 to 2022);
  • Picsearch AB - Company Controller at Stockholm internet search business (2003 to 2004);
  • PricewaterhouseCoopers (PwC) - Graduate to Manager in Tax Consulting from Sydney Australia, to Hanoi Vietnam, and to London United Kingdom (1993 to 2003).


  • Digital Transformation Executive education at IMD, Switzerland (2014 to 2016);
  • Leadership Executive education at the London Business School, UK (2010);
  • Australian Chartered Accountant (1995);
  • Bachelor of Business Charles Sturt University, Australia (1989 to 1992).
Dean Wheeldon on the Kuffner Ridge, Mt Blanc Massif, Chamonix France 2020

Medical Advisor: Doan Risberg, MD

Dr. Doan Risberg has a lifelong interest in preventive healthcare and mental health with a focus on children and adolescents. She has hands-on experience with patient care, transforming technical knowledge into practical health outcomes. Her unique skill set, with education and experience in both medicine and therapy, is especially relevant to producing positive outcomes in physical activity, mental wellbeing, sleep, and nutrition for children. She speaks Swedish, English, Vietnamese, and French. Doan is a parent of two teenagers, who deeply cares for children.

Professional Experience

  • Prehospital senior consultant at SOS-Alarm and Swedish healthcare helpline 1177 (2015 – present date);
  • Responsible doctor for students’ health at high schools in Stockholm, including a focus on preventive health care against mental health problems among high school students (2015 – 2019);
  • ”4D Diabetes Primary care”; project aiming at improving compliance and results of diabetic care in the primary care setting through development of processes and evaluation tools (2013 – 2015);
  • Initiated, planned and developed a vaccination clinic within a GP clinic in Stockholm (2012 – 2015);
  • Local medical officer of infectious control (2012 – 2015).


  • Degree in Psychotherapy with psychodynamic focus, S:t Lukas Educational Institute of Ersta Sköndal Tertiary College (2016 – 2018);
  • Specialist degree in General Medicine including practice in children’s primary health care, Swedish National Board of Health and Welfare (2012 – 2015);
  • Medical degree including courses in psychology at Gothenburg University, Sweden (1996 – 2001).

Physical Activity Advisor: Marc Wheeldon

Marc has a lifelong commitment to and great success in sports and health, including nutrition and exercise physiology. He was a successful elite athlete across many sports since before the age of 10.

As a trained physical education teacher, he has knowledge of the pedagogical techniques and how to get kids moving. A scholar of exercise physiology, he has put his lifelong learning into: helping his clients, toward his own sports success, and most importantly,  the development of his 3 children. He now runs a gym providing customized training plans for clients.

Marc and Deb Wheeldon enjoying a family holiday

His sports successes include:

  1. 2017 NSW (New South Wales, state of Australia) Nabba and IFBB Masters Bodybuilding Champion
  2. 2015 Mr. Australia WFF (World Fitness Federation) Overall Champion National Amateur Body Builders Association
  3. 2014 Competed at WFF World Championships in Bodybuilding
  4. 2008 Undefeated at NSW amateur boxing titles (Heavyweight)
  5. 2004 Eastwood Rugby Union 1st Grade
  6. 2000-2001 Manly Warringah Rugby League representative
  7. 1999 - 2000: Traillist for the Australian Olympic Team at the Sydney Olympics for 100m
  8. 1994 Selected to trial for Australian Schools Rugby Union Team
  9. 1986 Under 10 years NSW 100m running champion