During the 2012 World Cup Season, Jess raced in the women's eight in both Belgrade and Lucerne. The crew won a bronze medal in Belgrade and finished 5th in Lucerne.
At the 2012 GB Rowing Team Senior Trials held on 10/11 March at Eton/Dorney, Jess raced in the women's pair with Louisa Reeve, finishing second.
At the 2011 World Rowing Championships in Bled, Slovenia, Jess raced in the Women's Eight with crew mates Alison Knowles, Jo Cook, Louisa Reeve, Natasha Page, Lindsey Maguire, Katie Greves, Victoria Thornley and (cox) Caroline O'Connor. The crew won a Bronze medal, just 2 seconds behind Canada.
During the 2011 World Cup Series Jess raced in the women's eight, taking a silver medal in Munich and 4th place in Lucerne.
At the 2011 GB Rowing Team Senior Trials held on 16-17 April at Eton/Dorney, Jess and crewmate Louisa Reeve were second in the women's pair.
At the 2010 World Rowing Championships on New Zealand's Lake Karapiro, Jess and her crewmates came 4th in the women's eight.
For the 2010 World Cup Series Jess raced in the women's eight, winning a gold medal in Bled, a silver in Munich and bronze in Lucerne. Jess also raced in the women's pair, with Alison Knowles in Bled, coming 6th and in Munich with Louisa Reeve taking 9th place.
Jess learnt to row in Durham at the age of 8 and combined rowing with rugby and netball while at St Leonards RC Comprehensive.
She has represented GB at junior, U23 and senior level, having first gained a GB vest in the women's quad at the World Junior Championships, finishing 6th in 2001 and 8th in 2002. She won a bronze medal in the women's pair at the World U23 Championships in 2003 and rowed in the senior four at the 2004 World Rowing Championships which finished 6th.
Jess raced in the senior eight at the 2005 Eton World Cup taking bronze, in the pair with Anna Bebington at the Lucerne World Cup and then won bronze in the pair at the World U23 Championships in Amsterdam in July. She went on to be part of the women's eight which performed so well at the 2005 World Championships in Japan, finishing 5th. At the 2006 World Championships in Eton she raced in the pair finishing 11th. She was in the eight for the 2007 World Cup series, always reaching the A Final, winning a silver, followed by 5th and 4th place, and then won a bronze medal in the eight at the 2007 World Championships.
Throughout the 2008 World Cup series Jess raced in the eight finishing 5th and 6th before winning a bronze at Poznan. She was a member of the crew of the British women's eight at the 2008 Beijing Olympic Games and finished 5th. Jess again came 5th in the eight at the 2009 World Championships in Poznan, following her gold medal at the Banyoles World Cup and 5th place in Munich.
Jess, whose twin sister Alexandra also rowed, completed a degree in Biology at Royal Holloway College in 2006.