Sensible Energy Transition Focused Investment Team
Arvind Sanger - Managing Partner, Portfolio Manager and CEO
Mr. Sanger is the founder of Geosphere Capital, a global long-short fund manager currently investing in natural resources, new energy and Indian equities. Prior to that, between 2002 and 2007, Mr. Sanger was a Portfolio Manager at SAC Capital, running one of the largest equity portfolios and managing a global team based in New York and Singapore. Prior to his tenure at SAC, Mr. Sanger had a 15-year career as a top-ranked, sell-side oil services and equipment analyst at a number of firms, including Deutsche Bank, DLJ and Kidder Peabody among others. Mr. Sanger graduated from the Indian Institute of Technology, Bombay, with a B. Tech in 1984 and received his MBA from Tulane University in 1987. Mr. Sanger is on the board of the Alexander Hamilton Society, Pratham USA and Pratham Educational Foundation in India.
Norman Teitelbaum, CFA - Senior Analyst, Global Energy & Shipping
Mr. Teitelbaum joined Geosphere at inception in 2007. He has primary research responsibility for the exploration and production companies, as well as the refiners, majors, pipelines oil services, shipping and alternative energy companies. He worked with Mr. Sanger at SAC prior to joining Geosphere at its founding. He was awarded the CFA Charter in 2008 and earned a BBA in Finance from Baruch College, Zicklin School of Business, CUNY in 2002.
Daniel Piderit - Senior Analyst, Global Metals, Mining and Industrials Analyst
Mr. Piderit joined Geosphere in 2026. He has primary research responsibility for the Metals, Mining, & Industrials companies. For the previous four years, he managed DPH Capital, a long-short fund focused on global natural resources and Latin American equities. Prior to founding DPH, Mr. Piderit worked as a senior analyst at INCA Investments in Miami, and as a trader at J. Goldman and at Goldman Sachs in New York. He was awarded the CFA Charter in 2014 and earned a BS in Finance from the University of Miami in 2009.