About us

Turfgrass Agronomy and Services, company founded by Sylvain Duval and Alejandro Reyes. TAS offers their clients 40 years of experience and a comprehensive range of sports turf agronomy services, especially golf courses.


With over 28 years of experience within the Golf industry, Sylvain’s professional career started in France, but soon lead him to different European countries such as the UK, Italy and Spain.

In 2010, Sylvain started working as an agronomy consultant with Nicklaus Design for both existing courses and new constructions. As a result of his excellent professionalism, he is known as one of the best consultants in the world.

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Alejandro Reyes has been the Superintendent at Le Golf National, Paris, for 6 years. Le Golf National hosted the 42nd edition of the Ryder Cup and, also hosts the Open de France on the European Tour every year. His arrival, in 2013, in the Parisian city marked the beginning of the golf course’s preparation for the Ryder Cup and the Olympic Games in 2024.

Alejandro, agricultural engineer, complemented his training in golf course management thanks to Cranfield University (England), Elmwood College (Scotland) and Georgia (United States). He worked for Nicklaus Design in Spain and, at only 25, obtained his first superintendent job.

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"Alejandro Reyes and the Le Golf National maintenance team did an exceptional job preparing the course for the Ryder Cup"

Jon Rahm

"I am pleased to write on behalf of Sylvain Duval, who has worked on several Nicklaus Design golf course projects throughout Europe over the last twenty years.

Sylvain’s relationship with Nicklaus Design began in 1990, where he started as Assistant Superintendent at Paris International Golf Club in France, and later became Superintendent. Sylvain then worked at Hanbury Manor in England, Palazzo Arzaga in Italy and most recently at Polaris World in Spain as Project Manager and Director of Golf Course maintenance. There, Sylvain oversaw the construction of six golf courses over a six year period. six year period.

Sylvain has done an excellent job at each of these projects. He is a knowledgeable, hard-working, and detail-oriented professional who handles himself well. I am confident that I could provide value to any golf course and am pleased to recommend him"

Jack Nicklaus

"I have seen joy in their eyes as they talk about making this the greatest Ryder Cup in history and seen the pride in their hearts as their dream has become to reality"

Jon Rahm