International oil company Nexen Inc.'s (TSX:NXY) president and CEO Charlie Fischer has announced plans to retire at the end of the year. Fischer will be succeeded by Marvin Romanow, an engineer by training who has been the Calgary-based company's CFO since 1998. Fischer joined Nexen in 1994 as a senior VP; he became CEO in 2001, overseeing the acquisition of North Sea assets, the development of the Long Lake oilsands project and involvement in the Horn River Basin shale gas play in British Columbia. Nexen is also active in the deep-water Gulf of Mexico, offshore West Africa and the Middle East.

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First National AlarmCap Income Fund (TSX: FNA.UN) says Leonard Sudermann has tendered his resignation as president and CEO. He will remain as a member of the board. The fund indirectly owns and operates Microtec, one of Canada's largest security alarm sales, installation and monitoring companies. The Calgary-based fund also indirectly owns Securex, an alternative credit provider.

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Raul Sanabria has been appointed VP of exploration for American Creek Resources Ltd. (TSXV:AMK). Sanabria brings years of experience in the mining and mineral exploration industry. AMK is a Raymond-based junior mineral exploration company focused on mineral deposits within B.C.

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Trafina Energy Ltd. (TSXV:TFA.A) has engaged Gary Taylor as CFO, replacing David Yu. Taylor most recently served as controller of Upper Lake Oil and Gas Ltd. Calgary-based Trafina is primarily a natural gas producer, with a focus on Alberta.

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Beth Fredeen has been appointed executive VP of Artevo Corp. (TSXV:AEV). Fredeen previously worked as a consultant to AEV, providing expertise on process improvement and operational initiatives. Artevo is a technology-driven company focused on the production, marketing and distribution of collectable fine art products. The corporation is headquartered in Calgary.

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Rochester Energy Corp. (TSXV: ROH) has accepted the resignations of Troy Mochoruk, CEO and a director, and CFO Christopher Gulka. Morgan Tingle, a member of the board, has assumed the role of interim CEO. Tingle, who operates his own consulting firm, served as Rochester's corporate secretary from February 2006 to March 2008. Rochester's core business is the exploration and development of its Christina and Mackenzie oilsands projects. Its head office is in Calgary.

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The board of directors of Deepwell Energy Services Ltd. (DESL), operating company of Deepwell Energy Services Trust (TSX:DWL.UN), has made changes to its management team. Greg Tarnowski, who joined Deepwell in August of 2008 as controller, is appointed VP of finance and CFO, succeeding Scott Gerecke, who has resigned to pursue other opportunities closer to his home in Fernie, B.C. Brian Johnson, formerly manager of business development, is promoted to VP of business development. Deepwell Trust operates a network of licensed, regulated upstream oil and gas waste management facilities. The trust is based in Calgary.

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New Millennium Capital Corp. (TSXV:NML) has promoted Bish Chanda from VP of marketing to senior VP, marketing and strategy. New Millennium is focused on the emerging Millennium Iron Range, which holds undeveloped iron-ore deposits in Labrador and Quebec. Tata Steel owns 19.9 per cent of New Millennium and is the Calgary-based company's largest shareholder and strategic partner.

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Chartwell Technology Inc. (TSX:CWH) has promoted Dave Acorn to the new position of COO. Acorn has been with Chartwell since 1999, most recently as VP of software development. Chartwell also has appointed Clinton Begin as VP of software development. The company says Begin has built a presence in both the enterprise and open source communities. Chartwell provides gaming software systems to the remote gaming industry; the Calgary-based company does not participate in the online gaming business of its clients.

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VGS Seismic Canada Inc. (TSXV:VGS) has named David Mairs its president and CEO, and a director. The appointment follows the hiring of Lorraine Myers as CFO. Based in Calgary, VGS creates and markets digital seismic data for licensing to oil and natural gas exploration companies.

- with files from The Canadian Press (E-mail notices and photos at least two weeks before publication date to news@businessedge.ca)