Power Industry professional with over twenty five years of power and industrial plant experience including, business development and sales, asset management, business operations, regulatory and market affairs, power plant management, operations, maintenance, and engineering. Professional Engineer with experience in many generation and combustion technologies including solar, gas, oil, coal, biomass, nuclear, black liquor, and refuse.

Director - Asset Management @ From September 2014 to Present (1 year 4 months) San Francisco Bay AreaVice President - Energy @ From November 2012 to August 2014 (1 year 10 months) San Francisco Bay AreaDirector - Business Development @ Business Development Director responsible for originating and executing sales of utility scale PV Power Plants to utilities, independent power producers and other large energy users in the Western Region of the North American market. Negotiate EPC and O&M Contracts. From June 2009 to July 2012 (3 years 2 months) Director - West Region Asset Management @ Asset Director for 26 natural gas fired power plants in the Pacific Northwest, Desert Southwest, Colorado, and California totaling over 6000 megawatts of capacity. Functioned as an asset owner to ensure that overall project value was maximized through revenue enhancements, operating strategies, cost management, and contract optimization and compliance. From April 2007 to May 2009 (2 years 2 months) Director - Business Operations @ DIRECTOR, BUSINESS OPERATIONS – West Region Business operations director associated with California and Nevada assets totaling over 2800 MW’s. Developed and implemented asset operating, marketing, and regulatory strategies. Negotiated power purchase agreements. PROJECT DIRECTOR – West Region Owner’s Representative for ownership interest in a 280 MW combined cycle power plant Ownership Committee Chairman responsible for overall P&L responsibility for project share. Provided management direction for contracted O&M services, approval and monitoring of expense and capital budgets. BUSINESS DEVELOPMENT MANAGER – West Region Identified and pursued greenfield and brownfield power generation project development opportunities in the Pacific Northwest. REGULATORY AFFAIRS MANAGER – California Assets Provided regulatory and market affairs support to the California asset organization. Extensive interaction with CAISO staff. Operational representative to Western Electricity Coordinating Council. Monitored and provided analysis on industry proceedings at the CPUC and CEC. From August 1999 to March 2007 (7 years 8 months) Power Generation Manager @ PRODUCTION DIRECTOR – CONTRA COSTA POWER PLANT Responsible for power plant production activities at a 690 Megawatt electric generation facility. Provided leadership to a staff of 50 maintenance, operations, and engineering personnel, and managed operating and maintenance budgets. SENIOR REGULATORY ANALYST – POWER GENERATION STAFF Project Manager, lead negotiator, and FERC witness for the Reliability Must Run Contract. Participated in California’s electric industry de-regulation as the Power Generation representative involved with development of ancillary services protocols and rates. PROJECT AND TECHNICAL SERVICES SUPERVISOR S.F. BAY POWER PLANTS Supervised a technical team of production engineers, project managers, and maintenance foremen that provided engineering and project support to three generating facilities Responsible for the financial and technical oversight of plant projects and expenditures. Initiated and coordinated cost saving maintenance optimization and efficiency improvement programs. POWER PRODUCTION ENGINEER - S.F. BAY POWER PLANTS Operation and Maintenance support engineer for three generating facilities. Provided technical O&M support for steam turbines, gas turbines, and boilers. Included monitoring, troubleshooting, testing and analysis of unit operation and equipment. Also provided development, coordination and management of plant capital projects. From February 1992 to June 1999 (7 years 5 months) Field Service Engineer @ Provided operational and engineering consulting to numerous utility and industrial customers in the Western United States. Performed troubleshooting, performance testing, inspection and start-up of industrial and utility boilers. Lead Start-up Engineer for two waste-to-energy boilers. Experienced with various combustion technologies including; gas, oil, coal, black liquor, and solid waste. From 1989 to 1992 (3 years)

MBA @ St. Mary's College of California From 1994 to 1996 BSME, Mechanical Engineering @ California State University-Sacramento From 1986 to 1989 Contra Costa College Mark Osterholt is skilled in: Renewable Energy, Solar Energy, Sales, Power Plants, Engineering, Biomass, EPC, Natural Gas, Gas Turbines, Cleantech, Smart Grid, Gas, Project Finance, Due Diligence, Photovoltaics