David M. Vankka
Managing Director, Institutional Trading
Mr. Vankka joined Tristone in September, 2002 as Managing Director, Institutional Trading. Prior to that, he spent seven years at Peters & Co. Limited, a Canadian energy investment bank. During his time at Peters & Co., the company was one of Canada's most active traders of oil and gas securities. Mr. Vankka was most recently Co-Head, Institutional Trading and preceded that as Principal, Corporate Finance.
Mr. Vankka is a Chartered Accountant and holds a Chartered Financial Analyst designation. He has a Bachelor of Commerce degree with distinction from the University of Calgary.
Andrew Abbott
Managing Director, Institutional Trading
Mr. Abbott joined Tristone in May 2002 as Managing Director, Institutional Trading. He was previously Vice President - Trading responsible for setting up the institutional trading department at Acumen Capital Partners. Prior to Acumen, Mr. Abbott was an institutional trader at Newcrest Capital Inc. and Peters & Co. Limited. He began his career in Toronto in 1986 and spent 9 years working as an institutional trader for Canagex, McNeil Mantha and Merrill Lynch Canada.
Mr. Abbott holds a Bachelor of Arts degree from the University of Calgary.
Robert F. Colcleugh
Managing Director, Institutional Sales
Before joining Tristone in September of 2002, Mr. Colcleugh ran Duke Energy's power marketing business in the de-regulated Ontario electricity market. Previously, Mr. Colcleugh managed Duke's Canadian energy merchant banking business which focused on investing in oil and gas producers and properties. Before Duke, Mr. Colcleugh spent 2 years with a private boutique merchant banking firm structuring and investing resource flow -through limited partnerships. Prior thereto, Mr. Colcleugh worked at the Investment Funds Institute of Canada.
Mr. Colcleugh holds a Bachelor's degree in Economics and an MBA from the Richard Ivey School of Business at the University of Western Ontario.
Warren G. Robinson
Managing Director, Institutional Sales
Mr. Robinson joined Tristone in October 2003 as Vice President, Institutional Sales. Before joining Tristone, he worked in the institutional sales division of TD Newcrest/Newcrest Capital for four years. Prior to that, Mr. Robinson spent two years working for Loewen, Ondaatje, McCutcheon Ltd., an institutional equity firm.
David G. Street
Managing Director, Institutional Sales
Mr. Street, MBA, has spent more than 15 years specializing in Canada's oil and gas industry. As an institutional oil and gas research analyst, he gained marketing and finance expertise while a member of two of Canada's most successful oil and gas companies. Prior to joining Tristone, Mr. Street was with Griffiths McBurney Partners. Since 1997, he has been an integral member of Calgary's oil and gas research business. In addition to his work with GMP, Mr. Street has been a director of the Small Explorers and Producers Association of Canada since 1995. Mr. Street became a partner in 1999.
Mr. Street holds an Honors Bachelor of Arts degree in Business Administration from the Richard Ivey School of Business at the University of Western Ontario.
Kelly Grosky
Vice President & Director, Institutional Trading
Mr. Grosky joined Tristone Capital Inc. in March 2002. Prior to Tristone, he was Vice-President, Operations and Chief Compliance Officer at a boutique Canadian Investment firm. Prior thereto, Mr. Grosky spent five years at RBC Dominion Securities and TD Securities in various trading capacities.
Mr. Grosky holds a Bachelor of Arts degree from the University of Calgary and a Fellowship awarded by the Canadian Securities Institute. Mr. Grosky has represented Canada internationally as a member of National Volleyball Team and professionally as a player in the European leagues.
Kerk Hilton
Vice President, Institutional Sales
Mr. Hilton joined Tristone in May 2006 in institutional sales. Prior to joining the firm, he spent the last three years at Canetic Resources Trust where he was employed as Director, Investor Relations, through its growth from a $400 million market capitalization to approximately $5 billion. He began his career in Canada's oil and gas industry in 1994 with the Petroleum Services Association of Canada, and has also served in senior investor relations capacities at Prudential Steel Ltd. and Enserco Energy Service Co. Ltd., both which were acquired by U.S. competitors. He holds a Bachelor's degree from Mount Royal College.
Shane Dungey
Principal, Institutional Trading
Mr. Dungey joined Tristone in August 2008 as Principal, Institutional Trading. Prior to joining Tristone he spent seven years as a Senior Equity Trader at AEGON Capital Management, responsible for trading Canadian and International equities while managing the passive investment mandates. Prior to AEGON Mr. Dungey was in Institutional Sales at a CI Funds in Toronto.
Mr. Dungey holds an Honors Bachelor of Arts degree in Political Science from York University and is currently pursuing his Chartered Market Technician designation. Prior to pursuing a career in Capital Markets Mr. Dungey played professional hockey in Europe and the US.
Eric Bruce
Associate, Institutional Trading
Mr. Bruce joined Tristone in March 2007 as Associate, Institutional Trading. Prior to joining Tristone, Mr. Bruce worked for TD Waterhouse in a retail trading capacity for high value clients. Preceding TD Waterhouse, Mr. Bruce worked as a Proprietary Equity Trader for an international day trading firm. Mr. Bruce holds a Bachelor of Arts degree from the University of Lethbridge and is a candidate in the Chartered Financial Analyst program.
Michael Rayton
Associate, Institutional Sales
Mr. Rayton joined Tristone as an Investment Advisor with the private client group in November 2005, and has recently moved to the Institutional Sales group. Prior to that, he spent 5 years in the private client division at RBC Dominion Securities Inc. where he specialized in complete portfolio management with a primary focus on the energy industry. Mr. Rayton now focuses exclusively on the global energy sector and is committed to providing our institutional clients with the most comprehensive energy investment advice.
Mr. Rayton has a bachelors degree in Economics from the University of Calgary and holds the Financial Management Advisor (FMA) designation from the Canadian Securities Institute.



