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2018 Leadership Team


ATAC is a volunteer driven organization and we thank our leaders for providing all of our great training, racing, and socializing opportunities. Our leadership team is elected at the Annual General Meeting.


PRESIDENT | Jos van Losser

Jos is a Dutch Financial Services consultant with a love for organizing events and welcoming new athletes to ATAC. He has been involved in organising the ATAC swim sessions and initiated the first international triathlon camp in Mallorca. He is aiming to organise a ATAC Triathlon club championship in 2018.

As an athlete he completed the Marmotte Cyclosportive  in 2017 and will be racing his first Ironman this year as a preparation for one of his biggest dreams: swimming the English Channel in 2019!




After 3 years working in Dubai Howard returned to the Netherlands and settled in Amsterdam in 2010. Upon his return he picked up running again and also started cycling. It was during the London Olympics when he first was introduced to triathlon and got inspired to participate in his first sprint race. In the last couple of years he has completed all triathlon distances and in July 2016 he became an Ironman finisher in Maastricht.

Having been an active member of ATAC for 3 years, he enjoys the triathlon sport through the sessions and the atmosphere of the clubs international community. Howard has served as the Secretary in 2017, and will continue in this role in 2018.




Vernon moved to Amsterdam 4 years ago from Namibia. A former competitive swimmer and biathlete he has always enjoyed sports but decided to scale it back after multiple injuries and joined ATAC to try out triathlon, initially just for fun and the clubs social atmosphere.

Fast forward a few years, many new friends, training, racing and coaching hours later and my competitive side might have kicked in again, but still having fun. In my daily life I work in finance for the worlds oldest running company. 





Paola is long time triathlon enthusiast, but it was only after joining ATAC in 2015 and being surrounded by fellow triathlon enthusiasts that her love for the sport was firmly cemented.  Paola has completed four half distance triathlons and a number of sprint and olympic distance races.  She also frequently takes part in bike, run and swim races in and around the Netherlands, and even managed to get a podium spot at the 2016 edition of the 4km Ij swim.  Paola originates from South Africa and moved to Amsterdam in 2007, loves being outdoors and when she is not out training spends far too much time behind her desk at a large multi-national organisation.

Paola’s sporting goals for 2018 are to complete another half distance triathlon in May and her first full distance triathlon in Copenhagen in August. She will also race with the ATAC ladies triathlon team.



Devi has been fond of cycling since the first time he rode a bike as a little kid. The BMX and road bikes he rode in his early years were replaced by a travel bike after he finished high school. He used this travel bike on his first cycling trip to cycle from Utrecht to Morocco and, more recently, to cycle the full length of the South American continent following the Andes.

He joined ATAC in 2016 and has been enjoying the social and competitive aspects of riding and racing together a lot.

As cycling director, he aims to organize many long weekend rides during the 2018 season and hopes to bring the cyclists and triathletes together more often.

Jan -


Jan took part in the first ATAC training session even before moving to Amsterdam in early 2017. Despite being tall and having a common Dutch name, he is originally German. From 2007 to 2016, he lived in Zurich, where he enjoyed running and cycling in the Alps. Eventually, he bit the bullet and also learned to swim “properly” to become a triathlete. The highlight of his triathlon “career” so far was finishing the inaugural edition of Ironman Hamburg.

Jan enjoys the open and international atmosphere of ATAC that warmly welcomed him to Amsterdam. As part of the new leadership team, he hopes to help grow the club and to bring a bit more structure into the training schedule, while maintaining the openness for triathletes and cyclists of all levels.



Born and raised in the cycling heart lands of South East England, Ed first fell head over handle bars for all things vélo whilst living in Budapest - watching that titan of free fair and competitive sport Floyd Landis (not) win the 2006 Tour de France. From MTB, mountain high sportives, retro rides and an unremarkable few seasons ripping up the London crit scene, he’s talks a great game but mostly just pedals hot air. A lesser spotted, but occasional, triathlete - in 2018 he has set his sights on the Paris marathon and a late season 70.3.

As club social sec, he wants to help continue the ATAC tradition - approachable, informed, fun and diverse - collaborating with teammates to bring out the clubs international colour; getting people together for drinks, themed evenings and big sporting occasions across the year. 



Jose Arjona has been part of the ATAC team since mids 2016. Jose returned back to Europe after spending 2.5 years working between Mexico and New York. Whilst, coming from a basketball background, Jose started to get into running while in
Mexico. After several halfs and the NYC marathon, Jose decided to try swimming and slowly slowly got curious about trying something else. It was in 2016 when he tried his first (sprint) triathlon and felt in love with it.

Ever since, Jose is actively looking for new triathlons and of course, good team routes, reason why Jose hopes to bring his enthusiasm to the ATAC team and organise further triathlons altogether!