As Nokia explores its options (see previous item), the company also announced that its CEO, Rajeev Suri, would step down this summer after over a decade at the helm, and 25 years with the company. He will be succeeded by Pekka Lundmark, who like most Nokia chiefs is a one-time veteran of the firm, but is unusual experience for having been out of the company for 20 years. He is currently heading up Finnish energy firm Fortum, a role that should enable him to bring some valuable insights from another industry sector. Suri became CEO of Nokia Siemens Networks (NSN) in 2009, succeeding Simon Beresford-Wylie. This morphed into Nokia Solutions and Networks when Siemens exited. In 2014, he became CEO…