- Siren E&P Limited is a UK based frontier drilling fund, established to invest capital into early stage upstream opportunities such as exploration, acquisitions and novel JV's.- Sulvaris Inc. is a privately held Alberta corporation engaged in development and execution of technologies that deliver high value, plant nutrient sulphur products.Lead Director and Chair of the Health, Safety, Security & Environment Committee, member of Governance and Compensation Committees. See our website at www.sulvaris.com- Student Energy is a global non-profit that is creating a movement of young leaders committed to transitioning the world to a sustainable energy future. Its mission is to open the eyes of the world's students to all perspectives on energy. Retired from Board, February 2014. www.studentenergy.org

The Lamar Corporation is the vehicle by which Dr. Larry Marks provides corporate advice and consultation services to the global energy business. Projects to date include government relationships, energy marketing & transportation, business development, coal supply & logistics, strategic advice on pipeline, rail, truck and other energy transportation modes, lithium extraction from oilfield produced waters, senior leader coaching and on-boarding, project management reviews, long range planning and executive education.

Led teams tasked with presenting convincing evidence of Shell’s sour gas and sulphur expertise to Central Asian, Middle East and Chinese energy ministries with the objective to win new reserves.

Board positions held:- Canadian Association of Petroleum Producers: Markets & Transportation Executive Policy Group - Vancouver Port Authority: Port Advisory Committee representing petroleum & chemical sectors- Rainbow Pipeline Company- Canadian Energy Research Institute- Van Horne Institute on Transportation Policy- Western Transportation Advisory Council (WESTAC)- The Sulphur Institute: Chairman - University of Alberta, MSc Program in Integrated Petroleum Geo-Science

Shell's Marketing & Transportation business unit executed the North American and global transport and sale of all upstream energy commodities. Annual revenue in excess of $3B. Cultivated and maintained customer and supplier value propositions and relationships in 15 countries. Deployed a transportation budget of $350M. One-hundred direct reports in multiple locations. Achieved top quality global customer satisfaction results for a broad spectrum of industries including public utilities, fertilizer and chemical companies, energy resellers, and refineries.Developed senior level provincial, federal, and international government relations in energy and transportation ministries, providing input on capital and strategic priorities.Called upon to act as a policy witness at high profile National Energy Board hearings.The business unit included the Land and Joint Venture teams,for Shell Canada.Led negotiations with major transportation providers (pipelines, railroads, trucking and marine shipping / terminalling) for all energy commodities.

Coordinated business and technology plans for Exploration and Production. Identified and executed new business development opportunities, including asset/corporate acquisitions and divestments. Assembled the company's reserves booking. Closed $1B in acquisition and divestment deals receiving industry recognition for values achieved.

Integrated geological, geophysical, and petroleum engineering disciplines into single team focused on reserve enhancement. Conducted integrated technical studies of company’s major oil and gas fields, leading to optimized capital deployment. Established successful field surveillance and development plans.

Provided high quality business, commercial, and government relationship advice to Shell ventures in Syria (primary focus), Abu Dhabi and Nigeria (secondary). Ensured the ventures received full and complete head office services. Successfully engaged with venture partners and national oil companies on development prioritization, acreage acquisition, crude price, production sharing agreement terms, and HSSE.

Developed and delivered transportation and sales programs for Company's production of all Western Canada crude, condensate and bitumen production. Developed strategy to transport and sell a new 18,000 barrels/day sour condensate stream, overcoming strong industry resistance and concerns.

Assembled strategic directions, business plans, and accountabilities for a corporate support business unit.

Led a team of 45 geophysicists to deliver world class seismic processing to support exploration and development in Canada.Acquired and operationalized a $6M Cray XMP supercomputer, the first in Canada’s private sector.

Led teams through all aspects of the exploration process including significant gas discoveries. Western Canada, Foothills, Plains, Arctic, East Coast offshore. Delivered a number of technical ‘firsts’ for the company.