At a Glance2008 Employer Rank
#111 Independent Electricity System Operator
Full 2008 roster at Independent Electricity System Operator → · See where $130,720 ranks →
Total Compensation History Total compensation by year Line chart of 4 yearly values of total compensation, from $112,373 in 2005 to $131,408 in 2008. $100K $110K $120K $130K $140K 2005 2006 2007 2008 2005: $112,373 2006: $118,454 2007: $122,500 2008: $131,408 Total compensation, 2005–2008. Axis starts at $100,000, the Sunshine List disclosure threshold. Full History2005–2008 $111,768 in 2005 is worth about $171,517 in 2025 dollars.
Full salary history, by year Year Employer Position Salary Benefits Total 2008 Independent Electricity System Operator Supervisor, Market Rules Independent Electricity System Operator $130,720 $688 $131,408 2007 Independent Electricity System Operator Supervisor, Market Rules Independent Electricity System Operator $121,831 $669 $122,500 2006 Independent Electricity System Operator Supervisor, Market Rules Independent Electricity System Operator $117,833 $622 $118,454 2005 Independent Electricity System Operator Supervisor, Market Rules Independent Electricity System Operator $111,768 $605 $112,373
On the List2008 John D Mackenzie's $130,720 salary at Independent Electricity System Operator was about 6% above the 2008 median there, $123,816. Independent Electricity System Operator disclosed 262 salaries in 2008; John D Mackenzie's total compensation of $131,408 ranked #111 among them. $100,000 is the list's disclosure floor; 53,817 salaries met it in 2008. John D Mackenzie has appeared on the Sunshine List at Independent Electricity System Operator 4 times, 2005–2008.
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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