Jaroslav Potmesil is CEO and one of the founders of HPH Sailplanes. Flying and building aircraft is the love of his life. Jaroslav, while working for Diamond Aircraft, helped develop the HK-36 Super Dimona and DV-20 Katana. In 1995 HpH bought the rights for the original German Glasflugel 304 sailplane. Today HpH builds its own brand of single and two-seat Shark sailplanes.