Our Story

Arthur Grizzle is Co-Founder and Chief Investment Officer of Martello Investments. He guides the firm’s overall investment strategy, develops and implements Martello’s asset allocation models, supervises the firm’s research efforts, and leads due diligence of alternative strategies.

Prior to co-founding Martello, Arthur served as an Associate Consultant and senior member of the investment team for Vantage Consulting Group, servicing institutional and ultra-high net worth clients. For Vantage’s consulting clients, Arthur’s responsibilities included portfolio analysis, risk monitoring, strategy recommendations, and leading the firm’s research in alternative investments. He also served as Portfolio Manager for the Vantage Multi-Strat Fund and Tactical Fixed Income strategy.

Arthur received his MBA from the Mason School of Business at William and Mary and holds a Bachelor of Arts in International Relations from Rollins College. He is a Chartered Financial Analyst charterholder. A Key West, FL native, Arthur spends time in the Florida Keys and Norfolk, VA.

Charles Culver is Co-Founder and Head of Operations for Martello Investments. He is responsible for leading the firm’s overall management and strategy and is involved in all aspects of the firm’s portfolio management and advisory services. Prior to co-founding Martello, Charles began his career at Vantage Consulting Group and over 14 years with the firm, ultimately held the position of Director of Technology. He was responsible for all technology related aspects of Vantage’s operations and played key roles in asset management ventures and client relationships including institutional asset managers, a fund-of-emerging hedge funds, and a first-loss capital pool.

Charles holds a Bachelor of Science in Computer Science from Clemson University. He is a CERTIFIED FINANCIAL PLANNER™ certificant.

A longtime resident of Virginia Beach, Charles is heavily involved with his community. Charles is a self-described technology nerd and rabid Clemson football fan. He resides in Virginia Beach with his wife, Sheridan, and their son. He is also an Eagle Scout.