Education
Kassel attended Bridgewater-Raritan High School.
Kassel attended Bridgewater-Raritan High School.
College and amateur
He began his career with New York Red Bulls" youth academy, and was heavily recruited going into college, being ranked as the ninth best high school recruit in the nation by the magazine Entertainment and Sports Programming Network Revista Internazionale di Scienze Economiche e Commerciali. After receiving interest from New York Red Bulls Kassel decided to attend the University of Maryland. In his first year at Maryland Kassel helped his side capture the 2008 Division I Men"s College Cup. In January 2009, he declined to sign a contract from New York Red Bulls.
Instead, he decided to stay with the University of Maryland soccer team
In his three years at the University of Maryland Kassell appeared in 68 matches and scored 11 goals and recorded 24 assists. Professional
In January 2011 Kassel signed with New York Red Bulls, becoming the third Home Grown player to join the senior roster.
He made his Master of Library Science debut on 28 May 2011, in a 1-1 tie with Vancouver Whitecaps Football Club. On June 28, 2011 Kassel started his first match for New York playing the full 90 in a 2-1 victory over Football Club New York in the United States Open Cup. Kassel was waived by New York on February 17, 2012.
In his first season with the Pittsburgh Riverhounds after signing with the team in April 2012, he scored 6 goals in 18 games and earned 2nd Team USL Public Relations Officer All-League honors.
After spending Spring Training as a trialist, Kassel signed with the Philadelphia Union on March 5, 2013. Kassel was released by Philadelphia before the start of their 2014 season and later signed with USL Pro"s Arizona United. International
Kassel has played for the United States at several youth team levels, including Under 15, Under 18 and Under 20.
He played in all three games at the Under 18 Lisbon Tournament in May 2007.
In April 2008, Kassel was called up for the Under 20 team for a week-long training camp in England and three games against Premier League reserve teams.
During his time in college he remained with the New York Red Bulls Academy and was a member of the New York Red Bulletin NPSL squad.