Building on our success

Building on Our Success

Superior is a leading North American distributor of propane, compressed natural gas, renewable energy and related products and services, servicing approximately 936,500 customer locations in the U.S. and Canada. Through its primary businesses, propane distribution and CNG, RNG and hydrogen distribution, Superior safely delivers clean burning fuels to residential, commercial, utility, agricultural and industrial customers not connected to a pipeline. By displacing more carbon intensive fuels, Superior is a leader in the energy transition and helping customers lower operating costs and improve environmental performance.

Above all, our success depends on the talented and dedicated people at Superior Plus.


At Superior Plus, we have a proven track record of creating value for shareholders. Our goal is to operate and grow our businesses to generate stable cash flows and to be leaders in their industries and to provide sustainable returns to shareholders.


Our businesses offer expansion opportunities in Canada, the United States and international markets.

Management Team

Executive Management & Divisional Leadership

Allan MacDonald

President and Chief Executive Officer

Mr. MacDonald joined Superior Plus as President and Chief Executive Officer in April 2023. Prior to joining Superior Plus, Mr. MacDonald was the Chief Executive Officer of the Bragg Group of Companies, where he led a portfolio of public market investments as well as operating companies in the Agriculture, Airline Services, and Telecom sectors. From 2009 to 2020, Mr. MacDonald held a number of increasingly senior roles at Canadian Tire Corporation, the most recent being Executive Vice-President and Chief Operating Officer from 2013 to 2020. Mr. MacDonald holds a Masters of Business Administration degree from Henley Management College in England and a Bachelor of Business Administration from Acadia University.

Grier Colter

Executive Vice President and Chief Financial Officer

Mr. Colter has joined Superior Plus Corp. effective September 11, 2023 as Chief Financial Officer. Mr. Colter brings approximately 25 years of experience to the Company with specific expertise in finance, capital markets, and mergers and acquisitions. Prior to joining Superior Plus Corp., Grier was Executive Vice President and Chief Financial Officer of Lifeworks Inc. and part of the focused transaction team that executed the sale of the company to Telus Corporation in 2022. Prior to that, he was Chief Financial Officer of ECN Capital Corp. and a key member of the management team that transformed the company through several transactions. Mr. Colter has also served in senior level positions at large publicly traded companies including Canadian Tire Corporation and Barrick Gold Corporation. Mr. Colter earned his Chartered Accountant designation with Ernst & Young LLP. He is a Chartered Financial Analyst and holds a bachelor of business administration with honours from Wilfrid Laurier University.

Darren Hribar

Senior Vice President and Chief Legal Officer

Mr. Hribar joined Superior Plus as Chief Legal Officer and General Counsel in 2015. He was previously a partner with Norton Rose Fulbright Canada LLP, an international legal practice. Mr. Hribar holds a Bachelor of Arts, Political Science (Distinction), from the University of Lethbridge and an LLB from the University of Alberta. He was admitted to the Alberta bar in 1997.

Kirsten Olsen

Senior Vice President and Chief Human Resources Officer

Ms. Olsen joined Superior Plus as Chief Human Resources Officer in October 2023, bringing more than 20 years of international HR experience with expertise in supporting large-scale change, talent management and M&A. Prior to joining, Ms. Olsen was Chief Human Resources Officer for Algonquin Power & Utilities Corp, a renewable energy and utility company. From 2007 to 2019 she held a number of increasingly senior HR and Talent roles at GE. She holds a Master of Industrial Relations from the University of Toronto and an Honours Bachelor of Arts from Huron College at the University of Western Ontario.

Ash Rajendra

Vice President and Chief Information Officer

Mr. Rajendra joined Superior Plus in 2021 as Vice President and Chief Information Officer. He has held various executive and advisor roles with companies such as IBM, Supreme Cannabis., Just Energy and MDS. Mr. Rajendra brings over 25 years of experience focusing on IS strategy, systems, controls, governance, project management, mergers and acquisitions, and change management. He holds Bachelor of Science (BSc) degree and Bachelor of Arts (BA) degree from Queen's University.

Curtis Philippon

Executive Vice President, Superior Plus and President, Certarus

Curtis Philippon’s role as Executive Vice President oversees the Canadian Superior Propane and Superior Gas Liquids business units in addition to being the President of Certarus. Curtis originally joined Certarus as the Vice President Finance & CFO in June 2014 and progressed to Certarus President & CEO in November 2016 and EVP Superior Plus in February 2024. Prior to joining Certarus he was in senior roles at Enerflex/Toromont, Cathedral Energy Services and Weldwood/International Paper. Curtis holds a Bachelor of Commerce from the University of Alberta, a CPA CMA designation an MBA from the University of Calgary.

Rick Carron

President, Superior Propane

Mr. Carron joined Superior Propane in December 2011 as Vice President, Sales. He was appointed Senior Vice President of Sales and Operations in 2019. Since joining Superior, Mr. Carron has developed a best in class sales team that has increased commercial and residential sales impact and driven a significant contribution to our success as an organization. Prior to joining Superior, he was Vice President, Sales at Evoco Inc., and held executive and senior leadership positions over a 15-year period, including key roles with Direct Energy and Bell Canada. Rick holds a BA in Economics from the University of Calgary.

Shawn Vammen

Senior Vice President, Superior Gas Liquids

Mr. Vammen joined Superior Gas Liquids in 2008. With over 20 years of experience in the natural gas liquids industry, Mr Vammen has held positions of increasing responsibility at Mobil Oil Canada, Gibson Energy, and Sempra Energy Trading. He was Vice President, Supply and Marketing at Superior Gas Liquids from 2010 to 2014, prior to moving into his current position. He holds a Bachelor of Commerce (BCom) degree from the University of Alberta.

Superior Plus

Divisional Management

Management Team – Energy Distribution


Chris DeFilippo
Vice President, Marketing & Business Development

Andy Desmann
Vice President, Finance

James Devens
Vice President, Operations

Steve Murk
Vice President, Human Resources

To contact us:
Tel: 1-855-588-4326


Jason Fortin
Senior Vice President, Business Transformation

Jim Carlsson
Vice President, Operations Support

Sam Mazzotta
Vice President, Marketing

Lisa O'Connor
Vice President, Finance

Dominic Palladino
Vice President, Sales

Brian Seppala
Vice President, Regional Operations

Gavin De Mello
Senior Director, Human Resources

To contact us:
Tel: 1-877-341-7500


Mehri Salimova
Vice President, North American Supply and Logistics

To contact us:
Tel: 1-888-849-3525


Natasha Cherednichenko
Chief Operating Officer

Aashish Christian
Vice President, Logistics

Chi Fang
Vice President, Technology

Dan Messina
Vice President, Renewable Natural Gas

Delfino Escalante
Vice President, Health, Safety & Environment

Denyel Sears
Vice President, Finance

Jon Ozirny
General Counsel

Marie Vernon
Vice President, Human Resources

Marshall Zurovec
Vice President, Business Development (USA)

Richard Cheng
Vice President, Hydrogen

Ryan Hesketh
Vice President, Engineering

Ryan Hyland
Vice President, Business Development (Canada)

To contact us:
Tel: 1-403-930-0123

Company Specific Websites

For more information please visit our websites at:

U.S. Propane Distribution
Canadian Propane Distribution
Wholesale Propane Distribution