SAN JOSE, Calif.--(BUSINESS WIRE)--Echelon Corporation (NASDAQ: ELON), the open-interoperable control networking pioneer for the Industrial Internet of Things (IIoT), today announced the appointment of Mike Marszewski to the position of vice president and chief financial officer, effective April 24, 2015. Mr. Marszewski will succeed William Slakey, Echelon’s executive vice president and chief financial officer, who is leaving to take a position with another company. Mr. Marszewski is currently