At a Glance2008 Employer Rank
#112 Independent Electricity System Operator
Full 2008 roster at Independent Electricity System Operator → · See where $130,565 ranks →
Total Compensation History Total compensation by year Line chart of 2 yearly values of total compensation, from $120,844 in 2007 to $131,387 in 2008. $100K $110K $120K $130K $140K 2007 2008 2007: $120,844 2008: $131,387 Total compensation, 2007–2008. Axis starts at $100,000, the Sunshine List disclosure threshold. Full History2007–2008 $120,060 in 2007 is worth about $176,806 in 2025 dollars.
On the List2008 Independent Electricity System Operator's 2008 median disclosed salary was $123,816; David T Tsai's $130,565 sat about 5% above it. David T Tsai was the #112 highest-paid of 262 people Independent Electricity System Operator disclosed in 2008, with total compensation of $131,387. The 2008 Sunshine List recorded 53,817 disclosures of $100,000 or more. David T Tsai has appeared on the Sunshine List at Independent Electricity System Operator 2 times, 2007–2008.
Also at Independent Electricity System Operator2008 Also at Independent Electricity System Operator, 2008 # Name Position Salary Total Details 1 Paul M Murphy President/Chief Executive Officer $597,588 $599,410 2 Bruce Campbell Vice President, Corporate Relations & Market Development $483,967 $486,195 3 William Limbrick Vice President, Information Technology & Infrastructure/Chief Information Officer $464,075 $466,258 4 Gary Sherkey Vice President, Corporate Services/Chief Financial Officer/Treasurer $444,124 $446,210 5 Ken P Kozlik Vice President, Market & System Operations/Chief Operating Officer $323,465 $325,102 6 Roy Stewart General Counsel/Secretary $297,050 $298,663 7 Derek R Cowbourne Vice President, Market & System Operations/Chief Operating Officer $283,692 $284,026 8 Terence Young Director, External Relations & Communications $277,744 $278,748 9 Harry Chandler Director, Market Assessment & Compliance $272,671 $274,168 10 Douglas Thomas Director, Settlements $269,357 $270,357
President/Chief Executive Officer
Vice President, Corporate Relations & Market Development
#3 William Limbrick
$466,258 Vice President, Information Technology & Infrastructure/Chief Information Officer
Vice President, Corporate Services/Chief Financial Officer/Treasurer
Vice President, Market & System Operations/Chief Operating Officer
General Counsel/Secretary
#7 Derek R Cowbourne
$284,026 Vice President, Market & System Operations/Chief Operating Officer
Director, External Relations & Communications
Director, Market Assessment & Compliance
#10 Douglas Thomas
$270,357 Director, Settlements
View all 262 employees at Independent Electricity System Operator (2008) → Data sourced under the Ontario Public Sector Salary Disclosure Act.
Data: Ontario Public Sector Salary Disclosure, 1996–2025; last updated 2026-03-31 .
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