Born in Schaerbeek, Beghin had a long and successful professional career in which he was elected Belgium's Player of the Year three times.
On 18 June 2019, Beghin was announced as Antwerp Giants head coach after Roel Moors left the club.
[2] He coached the team for two seasons, winning the Belgian Cup in 2020.
On 14 January 2022, Beghin and Antwerp parted ways.
[3] On 11 March 2022, Beghin signed a two-year contract with Kortrijk Spurs of the Top Division 1.