Derek Ronsko, CPA, CA

Experience

• 

  Deloitte Canada

  Sept 2011 - Sept 2013

  Staff Accountant

  Deloitte LLP, one of Canada’s leading professional services firms, provides audit, tax, consulting and financial advisory services to a wide range of Canadian and international clients. Deloitte LLP is the Canadian member firm of Deloitte Touche Tohmatsu Limited, which is a network of member firms, each of which is a legally separate and independent entity.Gained exposure to all major accounting frameworks while articling for the CA designation.Completed the CASB qualification program and successfully wrote the 2013 UFE.Developed a solid foundation of assurance best practices while performing audits and reviews in a multitude of industries including manufacturing, construction, NPO and retail. Show less

• 

  Crowe MacKay LLP

  Dec 2013 - Jun 2016

  Senior Accountant

  Crowe Horwath International, ranked among the top 10 global accounting networks, consists of more than 200 independent accounting and advisory services firms in over 120 countries around the world. Crowe Horwath member firms are known for their local knowledge, expertise and experience balanced by an international reputation for the highest quality of service.[1] In 1915 Horwath Hotel, Tourism and Leisure consulting was founded, today its on the largest consulting organization specializing in the hospitality industry, with 50 offices in 39 countries.Designated as the Team Lead on audit engagements with a variety of responsibilities including mentoring junior staff, developing audit testing strategies and preparing concise documentation on client control procedures.Reviews and modifies complex Oil & Gas working papers for ARO, depletion and impairment.Applies accounting guidance research to client specific transactions to assess the reasonability of current accounting policies.Provides value-added services to clients by identifying business needs and outlining processes to improve efficiency and effectiveness.Reviews and assists in the preparation of financial statements for clients in a variety of industries and accounting frameworks. Show less

• 

  Sherritt International Corporation

  Jun 2016 - Jun 2019

  Senior Financial Analyst

  Sherritt is a world leader in the mining and refining of nickel from lateritic ores with projects and operations in Canada, Cuba, and Madagascar. The Corporation is the largest independent energy producer in Cuba, with extensive oil and power operations across the island. Sherritt licenses its proprietary technologies and provides metallurgical services to mining and refining operations worldwide. The Corporation’s common shares are listed on the Toronto Stock Exchange under the symbol “S”.

• 

  Plains Midstream Canada

  Jul 2019 - now

  • Manager, Crude Assets & Trucking Forecasting and Accounting

    Jan 2022 - now

  • Manager, Operations & JV Accounting

    Feb 2020 - Dec 2021

  • Specialist, Operational Accounting

    Jul 2019 - Jan 2020