Ernest Scalamandre

Principal and Managing Member
Ernest Scalamandre is the Founder and Managing Member of AC Investment Management. He has three decades of experience in the alternative investment industry and has managed discretionary commodity Fund of Hedge Funds investments since 1993. From July 1995 until December 2005 Mr. Scalamandre was the Founder and Managing Member of Pinnacle Associates, a Fund of Hedge Funds specializing in discretionary commodities trading. Ernest has also served as a partner in several NYSE AMEX specialist partnerships.

David K. Bellman

He has over 25 years of experience in the energy sector analyzing and forecasting market trends. He has worked for many hedge funds and trading organization. Successfully documented many major changes in the energy markets. He was also the Managing Director of Strategic Planning at American Electric Power for many years. David has BS Chemical Engineer from the University of Texas.

Patrick Guerriero

Director of Research

Patrick joined ACIM in 2015 and was the lead analyst for AC Maritime Ltd., a wholly owned subsidiary, investing over $100M in equities, debt & derivatives in shipping and transportation markets. Prior to ACIM, Patrick was an Analyst for Gellert Global Group focused on agriculture and shipping. He has a B.S. from Babson College, an MBA from Cornell SC Johnson School of Management. Registered with the NFA and FINRA.

Giedre Matuleviciute

Lead Data Scientist

Her prior experience was in alternative data industry. Before joining ACIM she worked as a Data scientist at Guidepoint and Data science intern at Advance Research. Giedre holds a MSc degree in Business Analytics from Hofstra University and a Bachelor’s degree in Business Administration and Management from Vilnius University

Kenneth Wang


He joined ACIM as an analyst in 2020. Prior to joining ACIM, Kenneth was a specialist at Apple focused on providing data and technology solutions for small business partners. Before obtaining his master’s degree, Kenneth served as a Financial Risk Analyst Intern at China Construction Bank and as a Financial Data Analyst at Global AI. Kenneth graduated from Fordham University with a GPA of 4.0 with a MS in Business Analytics, and from University of California Irvine with a BA in Economics.

Echo Wu

Sr. Accountant
Echo Wu is a CPA registered in NY. She graduated from Pace University with a MS in Accounting, and from Centenary University with BS in Accounting and Business Management. Before joining AC Investment Management, Yuhang worked at Shrinivas, Elliott & Eday LLP, a mid-size NYC CPA firm, where she provided accounting/tax services to clients of various industries including Financial Advisory, Private Equity, Real Estate, Legal Services, Medical Services, Retail, Manufacturing as well as High-Net-Worth Individuals.

Rafael Perez


Rafael worked on the NYMEX trading floor for 4  years, and then worked under Richard Schaeffer (Retired NYMEX Chairman) as an assistant for 10 years. Rafael helps ACIM with all aspects of our office management.  Ralph attended Fiorello H. Laguardia.