Justin Costello | CEO

Justin Costello is the founder and CEO of GRN Funds, which was founded in 2014. He is also the CEO and Chairman of GRN Holding Corporation (OTC Pink: GRNF) and the CEO of Pacific Merchant Processing, Inc., a firm that handles financial transactions for high-risk industries.

Mr. Costello also serves as a council member for the Gerson Lehrman Group (GLG) in its industrial and trade division. He consults with clients such as Goldman Sachs, Boston Consulting Group, Bain Capital, Caterpillar, Pepsi-Co, Bosch, Samsung, Phillips, and other global companies and investment banks.

Previously, Mr. Costello was the Managing Director of Spectrum Energy, Inc., an energy contracting firm and partner in Spectrum Holdings, LTD.

Earlier in his career, Mr. Costello was the Managing Director at Fastenal Europe and National Director at Fastenal Company. Fastenal is an industrial and building materials company servicing clients in the US, Middle East and the European Union such as the US Department of Defense, Halliburton, Bechtel and Raytheon, and other global companies in the military and non-military sectors.

Mr. Costello is a finance and venture capital specialist with added expertise in international supply chain management design and trade for construction and industrial products. He has also specialized in the underwriting process of, and the supply chain for, raw and finished industrial materials.


GRN Funds is an investment firm established in 2014 by Justin Costello. GRN Funds provides secure banking resources for small to medium businesses and ancillaries. GRN Funds enables businesses to reach larger markets and engage an ecosystem of providers to develop and increase profitability. We proudly serve over 400 businesses across the USA. Our investment strategy focuses on our network of industry leading experts: financial advisers, development experts, and data partners with the resources and expertise to rapidly grow our business partners. Our team includes decades of advising, mentoring and investing in multiple verticals touching markets ranging from startup technology, digital services, real estate, retail franchises, analytics and investment banking.

Meet the team