[3] His parents, Marina Wilke and Harald Jährling, are both Olympic gold medallists in rowing for East Germany.

He holds a BA (Commerce) with majors in International Finance, Accounting, Marketing and Management from Monash University where he graduated in 2000.

Jahrling works as an investment banker at Citi where he is a Managing Director and the Head of Equity Capital Markets for Australia.

He was first selected to represent New South Wales in the 1993 men's senior eight contesting the King's Cup at the Interstate Regatta within the Australian Rowing Championships.

Jahrling represented Australia at 3 Olympic Games (1x Silver), 8 World Championships, 3 Commonwealth Games (1 Gold, 1 Silver, 1 Bronze) and over 50 World Cup regattas: Jahrling is a five time New South Wales Rower of the Year recipient and has been involved in fund raising activities for Step to the Future and Mission Australia.