Leon is an internationally known endurance triathlon coach, who has gained and upgraded his knowledge on seminars such as ITU (International Triathlon Union). Under his training programs, some individuals are competing at the highest level in different sports.

In his life, he has trained many sports. He began with karate, where he learned discipline, focus, and accuracy. He began training triathlon as a young boy and was dedicated to becoming better for 15 years. He raced triathlon competitions at national and international levels. The experience he gained through that time is carrying to his athletes.

He decided to change his role 6 years ago to give more to the sport as a coach. He finished courses for coach level I. in the national course of Slovenian Triathlon union. Before that, he finished courses in ITU triathlon coach level I. and level II.

As a coach he teamed up with a lot of recreational and professional athletes in different sports such as cycling, running, swimming and triathlon.

He lives in Slovenia, in small-town Kamnik where he works as head coach for junior athletes in local triathlon club Trisport. He is still an active athlete with extreme goals to achieve every year. From marathon runs, extreme endurance cycling, finishing Everesting, and hiking in the mountains for days.