Agent/Manager: Marijn Bal
Marijn Bal has been Petra’s manager at IMG since August 2014 and represents Petra globally. A former collegiate tennis player, Marijn is originally from The Netherlands, and currently works out of the IMG office in Bradenton, Florida, where he has been based since 2008 and takes care of Petra’s day-to-day business related matters.
Fitness trainer: David Vydra
Petra has been working with David, who is from Prague, since June 2015. Before working with Petra, David spent 7 years working with Tomas Berdych and several months working with Lukas Rosol.
Coach: Jiri Vanek
Jiri Vanek is a former ATP player who reached a career-high singles ranking of No.74 in October 2000 and amassed 11 titles on the Challenger circuit. After retiring in 2011, Vanek coached Czech No.1 Karolina Pliskova to five WTA titles and her first Grand Slam final in 2016. He is married to Marketa Kochta, also a former pro player, and has two sons, Jiri Giorgio (13) and Tom Nicolas (9).
PR manager: Katie Spellman
Working together since 2012. Katie is from England but lives in Toronto, Canada. Katie spent the first seven years of her career as a sports journalist on the Sunday Mirror and The Times before joining the communications team at the WTA, where she worked closely with Petra and other top WTA players as part of the communications team. Katie set up her own PR consultancy business in 2012 with Petra as her first client.