Meet the ST Academy Team
None of what you read about on this website would be possible without our incredible team.
Every team member is the best at what they do and allows us to create real, meaningful change for our STudents, Scholars, and their horses.
We’re proud to have these powerhouses from all over the world representing the Academy.
Here are the members who make up the Straightness Training Academy Team.
Marijke de Jong
Marijke is the founder of Straightness Training (ST) and the ST Academy. Marijke was born in the Netherlands and shares her life with Marc Marsman, and their four horses - Maestro, Romanesque, Prince Elmelund, and Toronto - and their two dogs - Wolfee and Coddi. Together, Marc and Marijke own and operate the company Academia Treinamento de Retidão (ATR), located in Lisbon, Portugal.
Chief Executive Officer
The whole ST Community benefits from Marc's designs, portals, systems, automated processes, live sessions, videos, and latest techniques. All this leads to a solid platform where riders can learn, discover, grow, feel inspired, get ideas, find solutions, and become the best ST trainer they can be to create health and happiness for their lovely horses! Marc is passionate about his work for the ST Academy and explores all new trends. He loves the outdoors and finds time to hike and play golf as much as possible.
Lizzie is originally from the UK and qualified as a doctor there before practicing medicine for two years in Cambridge. In 2012, she visited South Africa on ‘holiday’ with her fiancée Alastair, and to cut a long story short, never went back. She now has six horses and has been a Mastery student since 2014. In 2020, she started to serve the ST Community on the ST Customer Service Desk. Lizzie creates a flawless experience for both our current and future students.
Coordinator Academy Coaches
Rosan joined one of Marijke's first courses about Straightness Training in the Netherlands in 2009. She became a Mastery Student in 2013 and was certified as an ST Instructor in 2015. She later became Customer Happiness Manager. In 2020, she moved into the role of Grade 2 Evaluator and ST Academy Coach. In January 2020 she was promoted to Coordinator of the Academy Coaches to organize the activities of the Academy Coaches and mentor brand new Academy Coaches. Rosan lives in the Netherlands, with her husband, two sons, and two horses and spends her spare time enjoying anything outdoors with her boys.
Coordinator Intructors & Evaluators
Zaneta joined the ST Mastery Program in 2013 before being certified as an ST Instructor in 2015 and as an ST Evaluator in 2016. Since then, she has evaluated hundreds of online videos, become a Grade 3 Evaluator, and started supervising and educating Evaluators for the Academy in 2017. Zaneta then moved into her current role in 2021, where she works as a mentor for all ST Instructors and Evaluators, and as an educator of trainees. Zaneta is also one of our top ST Academy Coaches in the Scholars Program. She lives in South Africa with her family, dogs, cats, and horses. In her spare time, Zaneta enjoys tango dancing with Calvin and Pilates.
ST Instructors, Evaluators & Academy Coaches
Our licensed instructors are a key part of our team too. They represent the ST Academy and provide the highest level of service to our STudents and Scholars, allowing them to unlock their potential and the potential of their horse.
Victor Gueiros Freire
ST Academy Coach
ST Academy Coach
ST Academy Coach
How To Get Certified
Do you want to join this team one day?
Or do you want to know more about the differences between an ST Instructor, ST Evaluator, and ST Academy Coach?
Check out our information about our certification path:Read more »
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