CPA ad network Sponsormob has hired a new director of business development for the German market. Heiko Kasper joins the company from YOC, where he was senior member of mobile advertising responsible for clients such as HRS, Sixt, Avis, Intel, and Opel. Previously, he held positions at Kelkoo and Zanox.

Jet Patel, COO of Sponsormob, says: “We are delighted to welcome Heiko on-board with Sponsormob. He brings much added value and experience to the Business Development unit for our German-speaking markets within the mobile advertising industry.”

Mobile Backstage, the mobile communications platform for bands and their fans, has also announced a new appointment. The company has named David Hazan as their chief marketing officer. Hazan has held a number of music marketing jobs – he joins from UGG, the company behind online music services theBizmo and HitorNot. He has also worked at Warner Music, The Orchard, MTV Networks, Universal Music Group, Putumayo World Music and Wind-up Records.

“David Hazan has been working with Mobile Backstage on a consulting basis over the past few months as we prepared for our North American launch, and his work has been instrumental in getting the company to this stage,” says Paavo Bäckman, CEO and co-founder of Mobile Backstage. “We are very pleased to have him on board as chief marketing officer.”

“Mobile Backstage has so much potential to help bands and fans connect with each other in realtime, and now that it is also available on Facebook in addition to mobile phones, the growth will be exponential,” said Hazan. “I look forward to working to develop Mobile Backstage as the leading social media engagement platform for artists.”

Betting shop William Hill has also made an appointment in the mobile space – appointing Fiona Stevenson as its first head of mobile marketing. As reported in Marketing magazine, Stevenson joins William Hill from EA Mobile, where she was product marketing director. She previously held the position of head of MMS marketing at T-Mobile International.