Theris Team

Meet Jessie ...


Jessamine Ihrcke Dorsey (“Jessie”) is the Managing Director and Founder of THERIS. She has a long and extensive background in equine-assisted therapy having previously worked as the Operations Manager at the Riding for the Disabled Association Hong Kong and as an Instructor at the Riding for the Disabled Association Singapore. She was also the Head Equine-Assisted Therapist and a Riding Instructor for the Equestrian Federation of Singapore (EFS) based at the National Equestrian Centre (NEC). Her role with the EFS included the development and delivery of the EQUAL ARK Program - Equine-Assisted Therapy For At-Risk Kids, a landmark program funded by Temasek Holdings.
Jessie has a degree in Psychology and Counseling from the University of Surrey
Roehamption (UK) and a diploma in Equine-Assisted Therapy (IGOGO, Germany). She is fluent in English and German,
and has a good knowledge of Cantonese. 

Dr. Ameerah Mattar


Ameerah is a Riding Therapist with THERIS and also a clinical psychologist by training. She has experience with a range of psychological difficulties including depression, anxiety, stress management, self-esteem issues, emotional and behavioural problems, life transition/adjustment difficulties, and eating/body image disturbances. She has also previously worked in Singapore and overseas in both public and private practice settings.

Prior to joining the THERIS team, Ameerah was the Clinical Director at EQUAL-ARK Singapore Ltd., where she was in charge of facilitating as well as overseeing the curriculum planning and delivery of the equine-assisted learning programs there. She has also completed trainings and certification with the Equine Assisted Growth and Learning Association (EAGALA) and the British Horse Society (BHS).

Ameerah believes in the powerful impact horses can have in helping us to learn more about ourselves, as well as in healing and transforming lives. She is thankful to be able to combine her professional training with her love for horses in her work at THERIS. 

Dominique Tombazzi


We are incredibly proud and happy to introduce our newest member to our THERIS Team; Dominique Tombazzi. 

Dominique has an extensive background in working with children and youths with special needs. Dominique started her journey in Hong Kong at the Riding for the Disabled in Hong Kong as a volunteer. Her passion, drive and empathy with the riders at the RDA was apparent from the start and Dominique gained skills and knowledge quickly during her time there. 

Additionally, Dominique was the Operations Manager of the Riding for the Disabled in Hong Kong for 2 years and was in charge of the horses care, lesson plans, and executions of lessons as well as training of volunteers. In addition to her experience with special needs clients, Dominique is a qualified British Horse Society (BHS) Riding Instructor. 

Her knowledge of coaching horse riding and riding for people with special needs, Dominique is the ideal coach to add to our team. Welcome to the THERIS Team, Dominique.

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© 2018 by Theris


+65 9863 8739

Bukit Timah Saddle Club

51 Fairways Drive

(off Eng Neo Avenue)

Singapore 286965