Sherritt International Corporation announced changes to the leadership of its senior management team, effective February 1, 2012. Dean Chambers, currently Senior Vice President and Chief Operating Officer, has been appointed Executive Vice President, Development; Brian Tiessen, currently Senior Vice President, Metals, has been appointed Executive Vice President, Operations; and Michael Robins, currently Vice President, Finance and Deputy Chief Financial Officer, has been appointed Senior Vice President and Chief Financial Officer. Dean Chambers has been with Sherritt since 2007. He has a strong background in both engineering and finance and has acted as Sherritt's partner representative in several of its major joint ventures. In his new role, Dean will be responsible for Corporate Development, Technologies and Projects. Brian Tiessen has been with Sherritt since 1993 and has held various senior roles in both the operations and corporate areas. Brian will have responsibility for the Coal, Metals, Oil & Gas and Power operations. Michael Robins joined Sherritt in 2011. Prior to Sherritt, he held senior executive positions at Atomic Energy of Canada Limited, Indigo Books & Music and AT&T Canada. Michael is a Chartered Accountant and will have responsibility for all finance-related functions.