Former All Blacks utility back Bruce Reihana has joined Bordeaux Bègels' coaching staff on a three-year deal.
According to Yahoosport, Biden will be a fitness coach at the Top 14 club who he played for between 2011 and 2014.
The 39-year-old's career began as a teenager in 1996 when he represented Waikato in New Zealand's National Provincial Championship and the Chiefs at Super Rugby level.
He then moved to Northampton in 2002 where he played for a decade before moving to Bordeaux.
Reihana also represented the All Blacks on the wing in two Tests against Francef Italy in 2000.