Dr. Vaca is the Chief Investment Officer, Derivative Strategies, of Sterling Partners Quantitative Investments (SPQI). Prior to SPQI, Dr. Vaca was the Co-Chief Investment Officer of Rabar Market Research, a hedge fund specializing in quantitative investment strategies in global derivatives. Before joining Rabar as Co-CIO, Dr. Vaca worked closely with Rabar on trading technology and the research and development of quantitative trading strategies as the Chief Executive Officer and Chief Investment Officer of Vaca Capital Management, a registered commodity pool operator and commodity trading advisor. Dr. Vaca began his career at Fermi National Accelerator Laboratory (Fermilab), where he led physics research using particle accelerators and the analysis of large quantities of statistical data. He earned his B.S. in Physics and Mathematics from the Universidad Michoacana de San Nicolás de Hidalgo and his M.S. and Ph.D. in Physics from the University of Illinois at Chicago.