Pertemps Medical Professionals Pertemps Medical Professionals Loughton, led by CEO Daren Reisman, has been praised for supporting Haven House since 2010. Daren Reisman and his team have taken part in a host of fundraising and volunteering initiatives for Haven House, which have included support at our special events and volunteering at the PDC World Darts Championships. Pertemps Medical’s Managing Director, Daren Reisman, has personally taken part in an array of challenges for the charity, ranging from abseiling, winning a white collar boxing match to zip wiring across the Grand Canyon. Mike Palfreman, Chief Executive of Haven House, said: "Having the support of Daren and his team for so many years is incredible. We truly value this long term support and are delighted that they will be getting involved in some of our 15th Birthday events and activities in 2018. Well done to the team at Pertemps Medical, keep up the good work!"