2026 ACG NY Family Office & Limited Partner – Winter Edition

Corey Massella has more than twenty-five years of experience as an entrepreneur, tax, and business advisor, and as a specialist in SEC accounting and audit services. Additionally, Corey has experience serving as a Private Equity and Technology Industry Group Practice Leader for a Top Twenty accounting firm. 

Corey has successfully guided his clients through all facets of the mergers and acquisitions transaction cycle to help them make critical decisions, while ensuring transactions are strategic and seamless. He has deep experience advising private equity funds, hedge funds, banks, broker-dealers, investor relations firms, and various other financial services companies. As a business consultant, Corey has worked with CEOs and CFOs, as well as the boards of both public and private clients. He has performed due diligence and negotiations on both the buy and sell sides. Corey also has experience preparing business plans and initial public offerings (IPO), and with cash flow and productivity analysis to help scale businesses for growth, as well as extensive knowledge and experience in complex tax structuring and planning.

In 2015, Corey was selected as the winner of the SmartCEO award for Industry CPA Leader in New York. He has served as moderator for several conferences, including ACG NY’s “M&A Landscape: Diving into Four of the Hot Industry Sectors” and “The M&A Advisor Summit,” and has authored numerous articles.

Marcia Nelson is an Executive Director at Texas Capital. Marcia has spent a large portion of her career working in and for family offices and private dealmakers. Prior to FCM, Marcia was a Managing Director and head of business development for ShareNett, a members-only global network of professional investors, and she was previously at Alberleen Family Office Solutions, an independent investment advisory firm backed by family offices. She formerly worked for an ultra-high-net-worth philanthropic family and a sports and entertainment family. Over the last 20 years, she has developed a strong network of private families, institutional investors, and advisers who are increasingly seeking access to quality direct deal flow from trusted, experienced partners.

​Marcia is also a Founding Partner of Triple C Advisory, a business life cycle consulting firm that works with early-stage companies as an advisor and board member to prepare them to receive institutional-grade investments.

Rogier de la Rambelje has 10 years of experience working in the mining and metals sector. He joined EAS Advisors in 2019 as Head of Mining. Rogier also has 6 years of experience in raising equity in the capital markets. Rogier specializes in providing strategic advice in relation to M&A, acquisition / divestitures, joint ventures and equity and debt finance for companies and projects throughout the world.

In a similar role, he previously worked for BNP Paribas and the Royal Bank of Scotland in New York and London. Prior to these roles, Rogier worked for ABN AMRO Rothschild in Equity Capital Markets in Amsterdam where he raised equity for companies throughout Northern Europe. Rogier has a Masters Degree in Economics of the University of Amsterdam and holds Series 63, 79 and 7 licenses.