At the 2012 Olympic Games in London, Zac raced in the lightweight double scull with Mark Hunter. Following an extremely close race, the GB duo were pipped to the line by Denmark and took a silver medal.

Zac is the reigning Olympic and World Champion in the lightweight double scull and was awarded an MBE in the 2009 New Year's Honours list in recognition of his achievement. He holds the World’s Best Time in the lightweight single scull – a record he has held since 2006. At the Beijing Olympic Games Zac with his crewmate Mark Hunter produced majestic form to win GB’s first ever lightweight medal and Olympic gold. In the final they dominated the race to produce an emphatic victory.

During the 2012 World Cup Series, Zac and crewmate Mark Hunter raced in the lightweight men's double scull. The duo won gold in Belgrade, finished 5th in Lucerne and 6th in Munich.

At the 2011 World Rowing Championships in Bled, Zac raced in the lightweight men's double scull with Mark Hunter, maintaining their title of World Champions beating New Zealand by just over a second

In Munich at the first World Cup of 2011 Zac and crewmate Mark Hunter in the lightweight men's double scull and finished 4th. Zac was not able to race in Lucerne because of illness.

At the 2011 GB Rowing Team Senior Trials held on 16-17 April at Eton/Doney, Zac won the lightweight men's single scull establishing a lead from the start which was never challenged.

In 2010 Zac and Mark won the final of the lightweight men's double scull at the World Rowing Championships on New Zealand's Lake Karapiro to become World Champions in a time of 7:13.47.  Italy won silver and New Zealand the bronze.

In the Olympic season Zac raced in the lightweight men’s double with Mark Hunter and they were the only crew in World Rowing to be unbeaten in every race, topping the World Cup Series before becoming worthy Olympic Champions in Beijing.

He narrowly won the lightweight single scull at the 2007 GB Rowing Team Senior Trials over the more experienced Mark Hunter and they were selected together to race in the World Cup series in the double.  Although they had not trained or raced together before they soon showed exceptional form and went on to win a bronze medal in the lightweight double at the World Rowing Championships in Munich.

In his first major senior-level outing in Lucerne in June of 2006, Zac won gold in the lightweight single scull.  On the strength of that result and his 2005 achievements, he was selected to race for Great Britain in the lightweight single scull at the 2006 World Championships at Eton in August where he took the gold medal in front of a home crowd in an incredible time of 6:47.82.   He still holds the World’s best time in that boat class.

Having won the World U23 title in a lightweight single scull in 2005, he carried on to the World Rowing Championships later that year to take a World silver medal in the same boat.  

Zac has an engaging manner and is focused on success. He takes a keen interest in everything that happens around him.

Zac is Lottery Funded through UK Sport.