Board Committees

Aldo Mazzaferro is an equity research analyst with over 35 years of experience covering the global steel and metals sectors at several large Wall Street firms. He retired as Managing Director and Senior Analyst at Macquarie Capital (USA) in 2017. Since then and currently, Aldo operates a research and consulting practice, sits on the boards of two metals and mining companies–including Arctic Canadian Diamond Company and Ascent Corporation–and is a partner in a real estate development investment firm. Aldo held significant senior research positions on Wall Street, including Vice President at Goldman Sachs for 8 years (2000-2008), where he led a globally recognized steel research franchise, and as Senior Analyst at Deutsche Bank for 12 years (1987-1998). He worked in the steel industry in 2008, joining Steel Development Co., LLC, a start-up company planning to build and operate a series of new, high-technology steel micro-mills. Aldo was Chief Financial Officer there from 2008 to 2011, and subsequently joined Macquarie. Over the course of his career, he was selected six times by Institutional Investor Magazine as an All-Star Steel Analyst and was ranked four times by The Wall Street Journal for superior stock picking. He was designated a Chartered Financial Analyst (CFA) in 1984. Aldo graduated in 1976 from Holy Cross College in Worcester, Massachusetts with a Bachelor of Arts in English, and graduated in 1981 from Northeastern University in Boston, Massachusetts with a Masters of Business Administration in Finance.

Henry Guy is currently the Chief Investment Officer (CIO) for Pittco Management LLC, the single-family office of AutoZone founder – Pitt Hyde. As CIO, Henry is responsible for oversight of Pittco’s entire investment portfolio, including sourcing, evaluating, and monitoring investments. Prior to joining Pittco, Henry served as President & CEO of Modern Holdings Inc., a diversified holding company with assets primarily in the United States and Sweden. Henry began his professional career as an officer in the United States Navy. Henry’s public director experience includes serving on the boards of Evermore Global Advisors, Pergo AB, Metro International S.A., Scribona AB, & Miltope Corporation. He also served on the nominating committee of Swedish public company Investment AB Kinnevik. In addition, Mr. Guy serves as a director of The Max Stenbeck Charitable Fund and on the Board of Visitors of Vanderbilt University’s Owen Graduate School of Management. Henry holds a Bachelor of Science degree from the United States Naval Academy and a Master of Business Administration from Vanderbilt University.

Mr. Giannantonio brings more than 40 years of experience in finance, corporate development, and strategy across leading specialty chemicals and industrial companies. He previously served as Vice President of Mergers & Acquisitions at DuPont de Nemours, Inc., where he led transformational transactions exceeding $200 billion in value.

Throughout his career, Mr. Giannantonio has played a central role in portfolio transformation, including major separations, acquisitions, and strategic repositioning initiatives that enhanced growth, reduced cyclicality, and improved returns on invested capital. He currently serves on the Board of Directors of Delrin USA LLC and brings deep expertise in corporate governance, capital allocation, and shareholder engagement.

Mr. Giannantonio holds a Master of Business Administration from Drexel University, a Master of Science in Taxation from Widener University and a Bachelor of Science in Accounting from Villanova University.

Henry Guy is currently the Chief Investment Officer (CIO) for Pittco Management LLC, the single-family office of AutoZone founder – Pitt Hyde. As CIO, Henry is responsible for oversight of Pittco’s entire investment portfolio, including sourcing, evaluating, and monitoring investments. Prior to joining Pittco, Henry served as President & CEO of Modern Holdings Inc., a diversified holding company with assets primarily in the United States and Sweden. Henry began his professional career as an officer in the United States Navy. Henry’s public director experience includes serving on the boards of Evermore Global Advisors, Pergo AB, Metro International S.A., Scribona AB, & Miltope Corporation. He also served on the nominating committee of Swedish public company Investment AB Kinnevik. In addition, Mr. Guy serves as a director of The Max Stenbeck Charitable Fund and on the Board of Visitors of Vanderbilt University’s Owen Graduate School of Management. Henry holds a Bachelor of Science degree from the United States Naval Academy and a Master of Business Administration from Vanderbilt University.

Aldo Mazzaferro is an equity research analyst with over 35 years of experience covering the global steel and metals sectors at several large Wall Street firms. He retired as Managing Director and Senior Analyst at Macquarie Capital (USA) in 2017. Since then and currently, Aldo operates a research and consulting practice, sits on the boards of two metals and mining companies–including Arctic Canadian Diamond Company and Ascent Corporation–and is a partner in a real estate development investment firm. Aldo held significant senior research positions on Wall Street, including Vice President at Goldman Sachs for 8 years (2000-2008), where he led a globally recognized steel research franchise, and as Senior Analyst at Deutsche Bank for 12 years (1987-1998). He worked in the steel industry in 2008, joining Steel Development Co., LLC, a start-up company planning to build and operate a series of new, high-technology steel micro-mills. Aldo was Chief Financial Officer there from 2008 to 2011, and subsequently joined Macquarie. Over the course of his career, he was selected six times by Institutional Investor Magazine as an All-Star Steel Analyst and was ranked four times by The Wall Street Journal for superior stock picking. He was designated a Chartered Financial Analyst (CFA) in 1984. Aldo graduated in 1976 from Holy Cross College in Worcester, Massachusetts with a Bachelor of Arts in English, and graduated in 1981 from Northeastern University in Boston, Massachusetts with a Masters of Business Administration in Finance.

Mr. Rohen is Co-Chief Executive Officer and Chief Operating Officer of Tilley Distribution, Inc., a global distributor of specialty ingredients and chemicals. He brings extensive experience in high-service distribution models, strategic growth, and M&A execution across the specialty chemicals value chain.

Prior to Tilley, Mr. Rohen served as Senior Vice President, Strategy and Business Development at Axalta Coating Systems Ltd., and previously as Vice President of Corporate Development and Investor Relations at W. R. Grace & Co., where he led corporate development, strategy, treasury, and investor relations. Earlier in his career, he was a Managing Director at Seale & Associates and began his career at PricewaterhouseCoopers.

Mr. Rohen holds a Master of Science in Taxation and a Bachelor of Science in Finance from The George Washington University School of Business.

Aldo Mazzaferro is an equity research analyst with over 35 years of experience covering the global steel and metals sectors at several large Wall Street firms. He retired as Managing Director and Senior Analyst at Macquarie Capital (USA) in 2017. Since then and currently, Aldo operates a research and consulting practice, sits on the boards of two metals and mining companies–including Arctic Canadian Diamond Company and Ascent Corporation–and is a partner in a real estate development investment firm. Aldo held significant senior research positions on Wall Street, including Vice President at Goldman Sachs for 8 years (2000-2008), where he led a globally recognized steel research franchise, and as Senior Analyst at Deutsche Bank for 12 years (1987-1998). He worked in the steel industry in 2008, joining Steel Development Co., LLC, a start-up company planning to build and operate a series of new, high-technology steel micro-mills. Aldo was Chief Financial Officer there from 2008 to 2011, and subsequently joined Macquarie. Over the course of his career, he was selected six times by Institutional Investor Magazine as an All-Star Steel Analyst and was ranked four times by The Wall Street Journal for superior stock picking. He was designated a Chartered Financial Analyst (CFA) in 1984. Aldo graduated in 1976 from Holy Cross College in Worcester, Massachusetts with a Bachelor of Arts in English, and graduated in 1981 from Northeastern University in Boston, Massachusetts with a Masters of Business Administration in Finance.

Henry Guy is currently the Chief Investment Officer (CIO) for Pittco Management LLC, the single-family office of AutoZone founder – Pitt Hyde. As CIO, Henry is responsible for oversight of Pittco’s entire investment portfolio, including sourcing, evaluating, and monitoring investments. Prior to joining Pittco, Henry served as President & CEO of Modern Holdings Inc., a diversified holding company with assets primarily in the United States and Sweden. Henry began his professional career as an officer in the United States Navy. Henry’s public director experience includes serving on the boards of Evermore Global Advisors, Pergo AB, Metro International S.A., Scribona AB, & Miltope Corporation. He also served on the nominating committee of Swedish public company Investment AB Kinnevik. In addition, Mr. Guy serves as a director of The Max Stenbeck Charitable Fund and on the Board of Visitors of Vanderbilt University’s Owen Graduate School of Management. Henry holds a Bachelor of Science degree from the United States Naval Academy and a Master of Business Administration from Vanderbilt University.

Mr. Rohen is Co-Chief Executive Officer and Chief Operating Officer of Tilley Distribution, Inc., a global distributor of specialty ingredients and chemicals. He brings extensive experience in high-service distribution models, strategic growth, and M&A execution across the specialty chemicals value chain.

Prior to Tilley, Mr. Rohen served as Senior Vice President, Strategy and Business Development at Axalta Coating Systems Ltd., and previously as Vice President of Corporate Development and Investor Relations at W. R. Grace & Co., where he led corporate development, strategy, treasury, and investor relations. Earlier in his career, he was a Managing Director at Seale & Associates and began his career at PricewaterhouseCoopers.

Mr. Rohen holds a Master of Science in Taxation and a Bachelor of Science in Finance from The George Washington University School of Business.

Mr. Giannantonio brings more than 40 years of experience in finance, corporate development, and strategy across leading specialty chemicals and industrial companies. He previously served as Vice President of Mergers & Acquisitions at DuPont de Nemours, Inc., where he led transformational transactions exceeding $200 billion in value.

Throughout his career, Mr. Giannantonio has played a central role in portfolio transformation, including major separations, acquisitions, and strategic repositioning initiatives that enhanced growth, reduced cyclicality, and improved returns on invested capital. He currently serves on the Board of Directors of Delrin USA LLC and brings deep expertise in corporate governance, capital allocation, and shareholder engagement.

Mr. Giannantonio holds a Master of Business Administration from Drexel University, a Master of Science in Taxation from Widener University and a Bachelor of Science in Accounting from Villanova University.