The Business Development Bank of Canada has tapped noted telecommunications veteran Charles Sirois and Brent Belzberg to lead its new private sector growth capital fund, Tandem Expansion Fund. Sirois, who was recently appointed chair of CIBC, founded Telesystem in 1984, which has since invested more than $1 billion in venture opportunities of all stages through its various funds. Belzberg is the founder and senior managing partner of TorQuest, one of Canada's leading private equity firms with more than $700 million in private equity capital under management. Tandem's day-to-day operations will be managed by a team led by four managing partners, each of whom has significant experience identifying, financing, building and maximizing the value of growth companies across a range of industries. David Bookbinder is a senior business executive with more than 25 years experience as an investor, operating executive and as a co-founder of Marsulex Inc., Chemtrade Logistics and SPI Polyols. André Gauthier was previously managing partner of Echo Capital, a venture capital firm, and served as executive VP and CFO of Telesystem International Wireless until it was sold to Vodafone in 2005. Christopher Legg was a Partner at Argo Global Capital, a venture capital firm based in Boston, and was previously an investment banker in the technology group at Credit Suisse. Alex Moorhead was CEO and a co-founder of Loyalty Management Group, a London, England-based company created in 2001, which was acquired by Groupe Aeroplan for $755 million in December 2007.