Management Team

Kim Ann Mink, Ph.D. is Chairman, Chief Executive Officer and President of Innophos. Prior to joining Innophos in 2015, Dr. Mink served as Business President of Elastomers, Electrical and Telecommunications at The Dow Chemical Company from September 2012 to December 2015. Dr. Mink joined Dow in April 2009 as Global General Manager, Performance Materials and President/CEO ANGUS Chemical Co. (then a fully owned subsidiary of Dow Chemical). Prior to joining Dow, Dr. Mink was Corporate VP and Global General Manager, Ion Exchange Resins at the Rohm and Haas Company (now a fully owned subsidiary of Dow), where she spent more than 20 years serving in numerous senior roles with increasing responsibilities. Since March 2017, Dr. Mink serves as an independent director on the Board of PolyOne, a leading global provider of specialized polymer materials, services and solutions, and is also a member of the Environmental, Health and Safety Committee. From September 2012 to December 2015, Dr. Mink served as a member of the Board of Advisors of Catalyst Inc., a nonprofit organization with a mission to accelerate progress for women through workplace inclusion. From November 2012 to December 2016, she served as a member of the National Board of Trustees of the ALS Association. In addition, in 2014, Dr. Mink was named to STEMconnector's 100 Diverse Corporate Leaders in STEM. Dr. Mink received her B.A. in Chemistry from Hamilton College and a Ph.D. in Analytical Chemistry from Duke University. She is a graduate of the Wharton School of Business Management Program.

Mark Feuerbach is Interim Chief Financial Officer at Innophos and had previously served as Chief Financial Officer of the Company from August 2004 through April 2005, from June through September 2009, from July 2013 through February 2014 and from December 2015 through March 2016. Since the formation of Innophos in 2004, while not holding the position of Chief Financial Officer, Mr. Feuerbach served as Vice President, Investor Relations, Treasury, Financial Planning & Analysis. Mr. Feuerbach joined Rhodia in 1989 and was Global Finance Director of Specialty Phosphates from 2000 to 2004, including a two-year assignment in the U.K. immediately following the purchase of the phosphates business of Albright & Wilson. Prior to this assignment, Mr. Feuerbach was the Finance Director of Rhodia's North American phosphates business from 1997 to 2000 and he previously held various finance positions in a number of Rhodia's businesses. Prior to joining Rhodia, Mr. Feuerbach held various accounting and finance positions in both manufacturing and service companies. Mr. Feuerbach earned a B.A. in Business Administration/Accounting from Rutgers College and an M.B.A. in Finance/Information Systems from Rutgers Graduate School of Management.

Sherry Duff is Senior Vice President, Chief Marketing and Technology Officer at Innophos, having responsibility for Innophos's Marketing, Technology/R&D, Quality Assurance, Regulatory and Branded Ingredients Sales organizations as well as Strategic Planning and Corporate Development. Ms. Duff has more than 25 years of experience in the specialty chemicals industry and a track record of growing and integrating businesses. Prior to joining Innophos, Ms. Duff served as President and Managing Director of Arista Laboratories, Inc., a U.S. subsidiary of Molins, PLC. While at Arista, she led all aspects of the business with full P&L responsibility, and initiated significant cultural organizational changes to drive improved performance and growth based on customer-driven strategic plans and value propositions across new markets and regions. Before Arista, Ms. Duff spent over 20 years with Arch Chemicals, Inc., where she began her career as a development chemist in process technology. As she progressed in her career at Arch Chemicals, she took on roles of increased responsibility and held a variety of global leadership roles, including business development, strategic planning, general management, research & development and marketing. Currently, Ms. Duff serves on the Board of Directors for The Council of Responsible Nutrition (CRN). Ms. Duff holds a bachelor's degree in Chemistry from University of Connecticut and earned her MBA degree from Rensselaer Polytechnic Institute.

William Dunworth is Vice President, Corporate Controller and Chief Accounting Officer of Innophos. Prior to joining Innophos in 2018, Mr. Dunworth spent 6 years with Pinnacle Foods Inc., a publicly-traded packaged food company where he worked in roles of increasing responsibility, most recently serving as Assistant Corporate Controller where he oversaw the general accounting, SEC reporting, technical accounting and revenue recognition groups. From 2009 to 2012, Mr. Dunworth held the position of Financial Reporting Manager with Day & Zimmermann, a privately-held provider of construction, engineering, staffing and defense services. Mr. Dunworth began his career at KPMG where he worked from 2005 to 2009. Mr. Dunworth earned a B.S. in Accounting from Rowan University and is a Certified Public Accountant.

Amy Hartzell is Senior Vice President, Supply Chain and Purchasing of Innophos. Prior to joining Innophos in 2016, Ms. Hartzell spent 19 years in progressive leadership, supply chain and integration roles at Rohm and Haas Company (now a fully owned subsidiary of The Dow Chemical Company). She began her career at Rohm and Haas as a process engineer and progressed to leadership roles within the supply chain team, including Global Planning Manager in Biocides and Ion Exchange Resins and Regional Emulsion Planning Manager in Coatings. Through these roles, she gained experience developing and implementing supply chain improvement programs and processes on a global scale. Following the acquisition of Rohm and Haas by Dow Chemical Company, Ms. Hartzell was named the Global Business Supply Chain Director, Performance Materials, where she was responsible for 10 businesses, including the integration of Rohm and Haas and Dow business units. From 2012 to 2014, Ms. Hartzell served as the Global Business Supply Chain Director, Elastomers, Electrical and Telecommunications. In her final position at Dow Chemical, Ms. Hartzell led an organizational design transformation of its Center of Excellence where she was responsible for implementing best practices across the Supply Chain function and for identifying innovative capabilities in dynamic network design, analytics, and end to end supply chain visibility. Ms. Hartzell earned a B.S. in Chemical Engineering from Lehigh University and an M.B.A. from LaSalle University.

Joshua Horenstein is the Senior Vice President, Chief Legal and Human Resources Officer & Corporate Secretary of Innophos. Prior to his current position, Mr. Horenstein worked in roles of increasing responsibility at Innophos, including Mergers & Acquisitions Counsel; Assistant General Counsel; Deputy General Counsel and General Counsel - Specialty Ingredients & Nutrition. Prior to joining Innophos, Mr. Horenstein practiced law at several leading law firms, including Ballard Spahr, LLP; Pepper Hamilton, LLP; and Flaster/Greenberg P.C. and was also Vice President and Chief Legal Officer at Rock Your Phone, Inc., a technology start-up company. Mr. Horenstein received his law degree from the University of Pennsylvania Law School and he holds bachelor degrees in economics and political science from Penn State University.

Mark Santangelo is Senior Vice President, Manufacturing, Engineering, and EH&S for Innophos. Mr. Santangelo has more than 30 years of international operations, manufacturing and technology experience in the specialty chemicals industries and has led manufacturing processes and operations for food, health and nutrition related products, including with regulated manufacturing processes. Prior to joining Innophos in 2017, Mr. Santangelo held the position of Vice President, Global Operations and Supply Chain at Arizona Chemical Company, a $1 billion international specialty chemical company. At Arizona Chemical, he successfully elevated the supply chain organization to higher levels and improved manufacturing capabilities and efficiencies for profitable growth. Prior to Arizona Chemicals, Mr. Santangelo spent more than 30 years at Ashland Inc., which was an $8 billion international specialty chemical company. At Ashland he grew through the ranks in manufacturing and broad technical operations. His final position at Ashland was as Vice President Global Supply Chain. Further, he successfully led the Supply Chain due diligence and integration processes for several acquisitions, including Hercules, Inc. and International Specialty Products (ISP), as well as the Ashland Water Technology divestiture. Mr. Santangelo holds both bachelor's and master's degrees in Chemical Engineering from Villanova University.