Richard Calleri has worked in the oil and gas industry for 12 years and is currently the CEO of Geolog, a world leader in surface solutions to the oil and gas and geothermal industries. Prior to Geolog, Richard worked for 11 years in Investment Banking in Mergers & Acquisitions, Leveraged Finance and Restructuring, spanning multiple industries including Energy and TMT, holding various positions at global investment banks the last of which being Executive Director at Goldman Sachs, London.

Richard holds an MBA from the University of Chicago Booth School of Management and a BSc (Hons) in Economics from City University, London.

Marcus Oesterberg has worked in the oil and gas industry for 32 years and holds over 16 patents. In 1995 Marcus joined Baker Hughes in Celle, Germany, and relocated to the US in 1997. During his career with Baker Hughes, he worked in various roles in Technical Services, Deepwater Project Management, Repair & Maintenance, Global Marketing, Off- and Onshore Operations, and as the Global Product Management Executive for Directional Drilling. Prior to joining Ignis Energy he was the President of Evolution Engineering, a leading technology provider for downhole MWD tools.

Marcus holds an M.Sc. degree in Mechanical Engineering from the University of Clausthal, Germany.

Franco Caselli is a geoscientist with over 40 years of international experience in the energy sector having previously worked with major and independent oil and gas companies, gaining considerable energy business experience in Southern Europe, Africa, the Middle East, Far East, and South America. Franco has worked across the hydrocarbon, hydrogeology, and renewable sectors as geothermal energy, also managing integrated energy projects with international institutions and governments.

Franco holds an M.Sc. degree in Geology from the University of Florence, Italy.

Cannur Bozkurt brings over 12+ years of expertise in the geothermal sector, complemented by a decade of experience in the Oil & Gas industry, where she worked both onshore and offshore in G&G Departments as an exploration and wellsite geologist, as well as a petrophysicist. Her geothermal career began in 2011 as the country manager for Transmark Turkiye. In 2017, she joined JESDER, the Geothermal Power Plant Investors Association of Turkiye, where she contributed to bringing geothermal resource development to international standards. A year later, in 2018, she founded Armoni Geothermal Energy Consultancy Services, providing project management and EU project involvement to the geothermal market.

She also served as Manager of TAQA’s Geothermal Center of Excellence and most recently held the position of Managing Director at Enerchange Turkiye. Cannur holds a Bachelor of Science in Geology/Hydrogeology Engineering from Hacettepe University and has completed a Geoscience Graduate Diploma Program at IFP.

Danny is a seasoned business leader, innovator, and entrepreneur with a strong track record of building companies and spearheading transformative initiatives. His extensive background encompasses management and engineering across diverse sectors including oil & gas, geothermal energy, operations, well construction, subsurface engineering, capital planning, and optimization. Previously, Danny co-founded and served as CEO of Criterion Energy Partners, an independent exploration and production company. At Criterion, Danny led efforts focused on developing decentralized direct geothermal energy projects. These initiatives were aimed at assisting commercial and industrial consumers in reducing emissions and enhancing operational efficiency. Prior to starting Criterion he worked for Endeavor Energy Resources and Anadarko Petroleum leading large scale upstream oil & gas development initiatives. Danny holds a B.S. in Petroleum Engineering from the University of Oklahoma and an MBA from Rice University.

Guy Oliver (Geoscience and Exploration) has worked in the upstream oil and gas industry for 27 years. Guy’s core skills include proven leadership, innovation, a strong technical background with a focus on all aspects of petroleum geology and reservoir geology (fluids and reservoir) and a proven track record of motivating, building and leading multidisciplinary teams focused on regional sub-surface studies. His extensive worldwide experience includes leading and managing exploration through development subsurface projects in NW Europe, North Africa, Middle East Malaysia, Mexico, Brazil, Argentina, Chile and the USA (Alaska & Lower 48).

Guy holds an M.Sc. in Reservoir Development Geology from Imperial College of Science & technology, London, UK and a Ph.D. in sedimentology and sequence stratigraphy from Plymouth University, UK.

Merve’s career began in the geotechnical services and groundwater unit at the State Hydraulic Works Regional Directorate (DSI) in 2014. During her career at DSI, she took on various duties in geotechnical services and shallow groundwater projects. She worked on oil reservoir properties at the Reservoir Geology Unit while interning during her undergraduate education. Merve, who is skilled in GIS, groundwater and geothermal issues, also took part in the project management, press-publication, congress and training activities of the Izmir Chamber of Geological Engineers and various NGOs. Since 2021, she has been the editor and country manager of Jeotermal Haberler, the Turkish language platform of ThinkGeoEnergy.

Merve holds a Bachelor of Science in Geology Engineering from Dokuz Eylül University and continues her M.Sc. degree at Dokuz Eylül University Institute of Science, focusing on CO2 storage possibilities for Geothermal Power Plants in Western Anatolia.

Harun, started his career as a company man in the geothermal sector in 2012 and continued his career as reservoir management and maintenance manager since 2014. He involved in the first relief well and CTU operations carried out in the geothermal field in Turkey. Harun took an active role in every stage of three geothermal power plant investments from the exploration to the operation phase. In his more than 11 years of geothermal energy history, Harun undertook the responsibilities of drilling, well completion, well development, artificial lift, well tests, reservoir management, chemical conditioning, budgeting, power plant construction, operation and maintenance. Harun holds a BSc in Petroleum and Natural Gas Engineering from Middle East Technical University and a bachelor’s degree in business administration from Anadolu University.