Abbie Diamantopoulos

Managing Director


Abbie serves as Chief of Staff at E78 Partners.  Abbie’s primary role is responsible for managing the day-to-day operations of the company and ensuring that the CEO’s vision is executed effectively. She works closely with the executive team to develop and implement strategies that drive growth and profitability. Abbie believes data drives decisions, and has extensive experience in strategic planning, business development, and financial management.

Abbie worked for some of the most renowned companies, including Boeing and MillerCoors. During her time at both companies, she was responsible for development and execution of key strategic initiatives, which helped drive the company’s growth. At Boeing, she was involved in various financial management roles, managing budgets, and overseeing financial planning and analysis on the defense side based in St. Louis. Most recently, Abbie was Vice President of Strategic Partnerships at Hofseth North America. In this role, she was responsible for developing and managing partnerships with key stakeholders, including suppliers and customers. She was instrumental in driving growth and expanding the company’s reach.

With a strong background in finance, Abbie earned a BS in Finance and MBA from Lindenwood University in St. Charles, MO. Abbie also served on the board of the Hinsdale Junior Woman’s Club, an organization a vehicle that raises millions for local communities in the Chicagoland area.

E78 Partners

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