Chappuis began his playing career with hometown club FC Kloten but soon moved on to SC YF Juventus, spending some time in their youth ranks. He was on the move again though as Swiss Super League side Grasshopper Club snapped up the promising midfielder in July 2003.
Club career
Grasshoppers
Chappuis moved up through Grasshopper's youth system, soon playing regularly for the reserves but not being able to break into the first team though he was named in match day squads several times as he began training with the senior team.
Locarno and Lugano loans
In order to get some first team experience he went on loan to FC Locarno for the 2011–2012 season. He made his debut for Locarno on 25 July 2011 against FC Wohlen and scored the first goal of his loan spell in a 2–1 away win versus FC Wil on 20 November 2011. Chappuis returned to Grasshopper at the end of the term and was immediately loan out again, this time to FC Lugano for the duration of the 2012–2013 season. He made his debut for Lugano on 14 July 2012 against FC Wil in a 3–1 victory.
In 2013, Chappuis moved to Thailand to join Buriram United and due to his Thai mother he was able to obtain Thai nationality thus allowing him to play for the club in the Thai League T1 and AFC Champions League within the domestic quota. He scored his first Buriram goal against Suphanburi FC, he scored by curling a corner into the second post. He also scored a goal in the 2013 AFC Champions League against Jiangsu Sainty, but twisted his knee and was ruled out for three months while celebrating the goal. Chappuis scored his second goal against Chainat FC on September 8, 2013.
Suphanburi
After spent the second leg of 2014 season at Suphanburi by the loan contract from Buriram, Chappuis joined Suphanburi F.C. for the 2015 season, joining the likes of Jakkaphan Pornsai along with his former Buriram teammates Carmelo Gonzalez and Pratum Chuthong. Chappuis missed the whole 2015 season however with a knee injury that required surgery. He also missed the 2015 SEA Games Tournament. After missing nearly 16 months out injured, Chappuis finally made his return in a 3-1 win in a friendly match against Simork. Chappuis made his league return on 8 May 2016 coming on as a substitute in the 80th minute for goalscorer Carmelo in a 1-0 win over Army United.
International career
Chappuis was a Switzerlandyouth international. In 2009, he was part of the Swiss under-17 team that won the 2009 FIFA U-17 World Cup beating the host nation Nigeria 1—0 in the final, featuring in all seven matches at the tournament. Chappuis was called up by Thailand's ex-coach Winfried Schäfer to play against Lebanon national football team for the 2015 AFC Asian Cup qualification. He was called up to Thailand U23 by coach Kiatisuk Senamuang to compete in the 2013 Southeast Asian Games. His unofficial debut for Thailand U23 was a friendly match against FC Barcelona, during FC Barcelona's tour in Bangkok. Chappuis made his official Thailand U23 debut against Uganda U23 in November 2013. Chappuis played his first game for Thailand U23 in the 2013 Southeast Asian Games against Indonesia U23. Chappuis won the 2013 Southeast Asian Games with Thailand U23 He represented Thailand U23 in the 2014 Asian Games. Chappuis was also part of Thailand's winning squad at the 2014 AFF Suzuki Cup. In Thailand's first game Chappuis scored a last minute Penalty kick against Singapore to seal a 2-1 win over the hosts. He also found the net in the next game as Thailand came from behind to beat Malaysia 3-2. Chappuis had a disappointing semi-final but in the first leg of the final he scored another penalty kick in a 2-0 win over Malaysia. In the second leg of the final Thailand lost 3-2 but still won overall with Chappuis finding the net yet again after the Malaysian goalkeeper parried Sarach Yooyen's free kick into his path. In August 2016, after a 20-month absence from the national team due to injury, Chappuis was recalled to the national team for the upcoming matches including the world cup qualifying games in September 2016.
Personal life
Chappuis was born in Kloten, Switzerland. He speaks German, English and French fluently, although he only has a small grasp of Thai. Chappuis's favorite football team is Barcelona and his dream league to play in would be the Bundesliga. His Instagram has gathered more than one million followers in 2018.
