The Acropolis Team

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Bill Derrick is a Founder and the Operations Lead at Acropolis Holdings Group (AHG), bringing deep cross-sector leadership experience and a mission-driven focus on strengthening U.S. defense manufacturing. A U.S. Marine Corps veteran, Bill served from 2004 to 2008 with two combat deployments to Iraq, where he developed the operational discipline and leadership skills that continue to guide his business ventures today. Following his military service, Bill transitioned into the healthcare diagnostics sector, where he played a key role in a nationwide roll-up strategy. As a senior executive at a publicly traded imaging company, he helped scale operations from 7 to 40 centers across 20 states, reporting directly to the board of directors. He later led transformation efforts in the MRI manufacturing space, integrating AI and robotics to triple production capacity and expand global distribution to over 30 countries and all 50 U.S. states. Bill’s experience also includes brokering international support deals for military operations in Ukraine and Israel. Recognizing the growing vulnerabilities in the U.S. defense supply chain—and the increasing foreign influence in critical sectors—he co-founded Acropolis Holdings Group to help secure and modernize America’s defense industrial base through strategic investment and advanced manufacturing initiatives. A hands-on operator and strategic thinker, Bill is dedicated to building resilient, scalable operations that support national security and technological sovereignty.

Chris Ramonetti is a Founder and the Investments Lead at Acropolis Holdings Group (AHG), bringing over two decades of executive leadership across high-growth environments ranging from early-stage startups to Fortune 10 enterprises. A results-driven strategist, Chris has successfully guided leaders, teams, and organizations through complex transformations, scaling operations, and driving innovation across dynamic, technology-intensive sectors. Over his career, Chris has led organizations comprising more than 14,000 employees across 600 locations and has overseen large-scale initiatives including digital transformation, brand and market repositioning, operational restructures, and business line pivots. He has managed diverse corporate functions, including executive boards, 9-figure P&Ls, human resources, finance, procurement, payroll, asset management, and IT. Chris has executed and integrated over 30 private and public acquisitions totaling more than $2 billion in enterprise value. With a background in electrical engineering, he brings a process-oriented approach to M&A—accelerating LOI timelines, streamlining due diligence, optimizing capital stack structuring, and ensuring low-cost, high-efficiency operational integration. A recognized leader in both operational excellence and strategic growth, Chris is passionate about building sustainable, profitable companies that inspire their employees, strengthen communities, and set the standard for their industries.

Dr. Rand Neveloff, JD, MBA, PhD is a Founder and the Strategy Lead of Acropolis Holdings Group (AHG). A scientist, mathematician, seasoned developer, investment banker, and attorney, Dr. Neveloff brings over four decades of experience in international project development, finance, and consulting—particularly in large-scale infrastructure, sovereign finance, and nation-building initiatives across emerging markets. His expertise spans central banking systems, trade policy, and global finance, with a focus on stabilizing economies through capital structuring, currency regulation, and cross-border tax and legal frameworks. Over the course of his career, Dr. Neveloff has led or supported complex projects in more than 50 countries. He began his professional journey as an economic advisor to the British Parliament during the Thatcher administration, later serving as Section Chief at the International Monetary Fund (IMF), where he directed operations across South America with a focus on privatizing state-owned enterprises. At the World Bank, he led the financial integration of Eastern Europe, assisting with central banking and currency exchange modernization efforts. Dr. Neveloff has been a pivotal figure in infrastructure development, including leading the first fiber optics initiative in India alongside the redevelopment of Cochin Airport in Kerala—a foundation for the country's modern call center and technology industries. At the request of the U.S. State Department, he later advised Vietnam on opening its markets to U.S. industry. A global leader in renewable energy, Dr. Neveloff has overseen approximately 1,000 solar power projects and served as Chair of the Permanent Advisory Committee to the Intergovernmental Energy Organization for over five years. He co-developed the Xcell Gold Standard, a UN-endorsed initiative that deploys solar-powered mining equipment to artisanal mining communities, aimed at improving yield while reducing environmental impact and child labor. Dr. Neveloff has authored or co-authored over 200 patents and has closed more than $20 billion in principal business transactions. He continues to advise governments, industries, and institutions on strategic development and global sustainability.

Tim McGavern is a Partner and the Senior Director of Strategic Operations for Acropolis Holdings Group (AHG). Prior to AHG, Tim served as the Executive Officer for Engedi LLC, a professional advisory and consultancy services company. In this capacity, he provided Leadership, strategic growth, and business advice to numerous clients to include strategy, market placement, M&A, and adjacent market opportunities. Prior to Engedi, Tim co-founded and led Triple M Worldwide Solutions after his retirement from the US Air Force. The company was purchased in 2019 by a mezzanine equity firm and merged with AEVEX Aerospace Corporation. Tim served as a Vice President of Strategy assisting with the sale of AEVEX to a larger equity firm. He is known for crafting unique solutions to difficult problems and excels at forming and leading small, highly experienced teams. He helped establish Triple M as a specialized boutique firm that supported several large, mid-sized and start-up defense contractors to achieve their strategic goals. Tim is an entrepreneur at heart who enjoys the challenges of start-ups and helping companies reach their full growth potential. He has developed a broad business acumen, having participated in mergers and acquisitions, capital raises and company founder across multiple market sectors. During his 20 years in the U.S. Air Force, Tim served as an operations officer, operations planner, and program manager. During his career he served in various leadership capacities on space and missile systems, large transport aircraft, munitions and weapons development, fighter aircraft programs and numerous projects in support of special operations. The bulk of his career was spent supporting Intelligence & Special Operations Forces where he was a member of a Tier One Special Mission Unit. Tim holds a Bachelor of Sciences in Management from the U.S. Air Force Academy and a master’s in business administration from St. Mary’s University.   

Tambrein Bates is a Partner and the Senior Director of Program Operations at Acropolis Holdings Group (AHG), where he leads complex innovation and operational strategies across defense-focused initiatives. Prior to AHG, Tambrein served as the Operations Officer for Engedi LLC, a professional advisory and consultancy services company. In this capacity, he provided Leadership, operational assessments, workflow strategies, innovative technologies and business advice to numerous clients. Prior to Engedi, he served as the founding Director of SOFWERX in Tampa, Florida (2015–2020), a public-private innovation platform established in partnership with U.S. Special Operations Command (USSOCOM). Under his leadership, SOFWERX accelerated the delivery of innovative capabilities to the warfighter through collaboration with academia, national labs, and private industry. Before SOFWERX, Tambrein was a Research Fellow within the Special Programs Directorate at L3Harris, providing tactical and technical expertise to Special Operations Forces (SOF) programs. A 25-year U.S. Army veteran, Tambrein served in various roles within the Combat Applications Group (CAG), including operator, R&D lead, and advanced technologies office lead, deploying globally in support of National Command Authority directives. Known for his entrepreneurial mindset and ability to drive innovation at scale, Tambrein is passionate about building high-performing teams and exploring dual-use technologies that serve both commercial and defense sectors. Tambrein has been married for 33 years, has three children, and two grandchildren, Hadley and Sophie, who are his favorite people on the planet.