​​​Robert F. Cummings, Jr.

Mr. Cummings joined the Grace Board on January 21, 2015. He brings to our Board more than 30 years of investment banking experience advising corporate clients on financings, business development, mergers and acquisitions, and other strategic financial issues. He also has significant knowledge in the areas of technology, private equity, and real estate. Mr. Cummings has substantial governance and oversight experience developed as a director of multiple public companies.

Mr. Cummings served as Vice Chairman of Investment Banking at JPMorgan Chase & Co. from 2010 until his retirement on February 1, 2016. From 2002 to 2009, Mr. Cummings served as a senior managing director at GSC Group, Inc., a privately held money management firm. He began his business career in the investment banking division of Goldman, Sachs & Co. in 1973 and was a partner of the firm from 1986 until his retirement in 1998. He served as an advisory director at Goldman Sachs until 2002. Mr. Cummings is a director of Corning Inc. and was a director of Via systems Group, Inc. from 2002 until 2015.

Diane H. Gulyas

Ms. Gulyas joined the Board on January 21, 2015. She brings to our Board her substantial and varied management experience and her strong skills in engineering, manufacturing (domestic and international), marketing, and non-U.S. sales and distribution gained as a senior executive of one of the world's largest chemical companies. Ms. Gulyas also has governance and oversight experience from her service as a senior executive of a public company and her prior service on a public company board.

Ms. Gulyas served as President of the performance polymers business of E.I. du Pont de Nemours and Company which included DuPont's engineering polymers, elastomers and films business units from 2009 to 2014. Ms. Gulyas joined DuPont in 1978 and progressed through positions of increasing responsibility including a variety of sales, marketing, technical and systems development positions, primarily in DuPont's polymers business. Ms. Gulyas has served as Vice President and General Manager for DuPont's advanced fiber business and as Group Vice President of DuPont's electronic and communication technologies platform. In 2004, Ms. Gulyas was named Chief Marketing and Sales Officer of DuPont, responsible for corporate branding and marketing communications, market research, e-business, and marketing/sales capability worldwide. Ms. Gulyas is a director of Mallinckrodt Pharmaceuticals and Expeditors International of Washington, Inc. and served as a director of Navistar International Corporation until 2012.

Julie Fasone Holder

Ms. Holder joined the Board on November 11, 2016. She brings to our Board strong international sales and marketing experience as well as operational insight. She has deep chemical industry knowledge and experience that provides an important depth of understanding of how our businesses operate and interact with customers and suppliers. Ms. Fasone Holder also brings substantial human resources management experience.

Ms. Holder serves as the Chief Executive Officer of JFH Insights LLC, a consulting firm primarily dedicated to leadership coaching for high potential women executives, since founding the company in 2009. Previously, Ms. Holder served as Senior Vice President, Chief Marketing, Sales and Reputation Officer, U.S. Area Executive Oversight of The Dow Chemical Company from 2007 until her retirement in 2009. Before that, she was Dow's Vice President, Human Resources, Public Affairs and Diversity and Inclusion from 2006. Prior to that, Ms. Holder served in various positions with increasing seniority at Dow from 1975 to 2006, including several commercial leadership positions with global responsibilities. She currently serves on the board of Eastman Chemical Company and is on the Board of Trustees of the McLaren Northern MI Hospital.

Hudson La Force

On November 8, 2018, Mr. La Force was named Grace's President and Chief Executive Officer. Mr. La Force joined Grace in 2008 as Senior Vice President and Chief Financial Officer and became President and Chief Operating Officer in February 2016. He was elected to the Grace Board in November 2017.

Prior to joining Grace, he served as Chief Operating Officer and Senior Counselor to the Secretary at the U.S. Department of Education. He also served as a member of the President's Management Council. Before entering public service in 2005, Mr. La Force held general management and financial leadership positions with Dell, Inc. and AlliedSignal, Inc. (now Honeywell). He began his career at Emerson Electric Co. and Arthur Andersen & Co. He is a board member of Madison Industries, a Chicago-based industrial holding company, and a former board member of KIPP DC, a public charter school operator in Washington, D.C. Mr. La Force brings to our board his vision of the company's growth and value creation strategy, deep knowledge of the market dynamics and capabilities that drive the company's strategy, and comprehensive understanding of international business and strategic financial management.

Henry R. Slack

Mr. Slack joined the Board on May 8, 2019. He brings to our Board senior-level executive leadership and global directorship experience, including broad knowledge of the basic materials and manufacturing industries, and the perspective of a Chief Executive Officer.

Since 2013, Mr. Slack has served as a director of Alico, Inc., a publicly-traded holding company with interests in agriculture and environmental resources, and served as its Executive Chairman until July 2019. From 2001 until 2010 Mr. Slack was Chairman of Terra Industries, an international nitrogen-based fertilizer company. He previously served as the Chief Executive Officer of Minorco SA, an international mining company from 1991 to 1999. ​Mr. Slack has held other directorships, including Director of Anglo American plc from 1980 to 2000, Director of Terra Industries from 1983 to 2010, Director of Minorco SA from 1980 to 1999, Director of SABMiller plc from 1998 to 2002, and Director of Salomon Brothers from 1982 to 1988. ​

​Christopher J. Steffen

Mr. Steffen joined the Board on November 1, 2006, and serves as non-executive Chairman of the Board. Mr. Steffen served as Lead Independent Director from 2012 until his election as Chairman in 2019. With his background as a financial and operational leader with companies with global operations in various industries, he brings to our Board his extensive international business expertise and knowledge of financial matters and financial reporting. Mr. Steffen also has substantial governance and oversight experience developed as a director of multiple public companies.

Mr. Steffen served as Vice Chairman of Citicorp and its principal subsidiary, Citibank N.A., until 1996. He is currently a private investor. Mr. Steffen served as a director of Viasystems Group, Inc. and Platinum Underwriters Holdings, Ltd. until 2015 and served as a director of Accelrys, Inc. until 2012. Previously, Mr. Steffen served as Senior Vice President and Chief Financial Officer of Eastman Kodak and Executive Vice President and Chief Financial and Administrative Officer and director of Honeywell.

Mark Tomkins

Mr. Tomkins joined the Board on September 6, 2006. With his background as a Chief Financial Officer of multiple public companies, Mr. Tomkins brings to our Board his intimate knowledge of the global chemicals and petroleum industry and his experience overseeing finance and business development in major corporations. Mr. Tomkins also has substantial governance and oversight experience developed as a director of public companies.

Mr. Tomkins served as Senior Vice President and Chief Financial Officer of Innovene, a petrochemical and oil refining company controlled by BP that is now part of the INEOS Group, from 2005 until 2006. He served as Chief Financial Officer of Vulcan Materials Company from 2001 to 2005 and CFO of Great Lakes Chemical (now Chemtura) from 1998 to 2001. Prior to joining Great Lakes Chemical, Mr. Tomkins held various mid- and upper-level financial positions with AlliedSignal (now Honeywell) and Monsanto Company. Mr. Tomkins is a certified public accountant. Mr. Tomkins is non-executive chairman of ServiceMaster Global Holdings, Inc. and a director of Klockner Pentaplast Group. Mr. Tomkins was formerly a director of Elevance Renewable Sciences Inc., a privately held renewable polymer and energy company and of CVR Energy, Inc. He is currently a private investor.

Shlomo Yanai

Mr. Yanai joined the Board on May 9, 2018. He brings to our Board global industry leadership, specialty chemicals, and pharmaceutical experience, and the perspective of a Chief Executive Officer.

Mr. Yanai is Chairman of the Cambrex Corporation, Chairman of Protalix Biotherapeutics, and a senior advisor to Moelis & Company. He served as President and Chief Executive Officer of Teva Pharmaceutical Industries Ltd. from 2007 until mid-2012, leading a period of significant growth in revenue and profitability. As Teva CEO, Mr. Yanai was ranked 20th in Fortune's Top CEO List in 2010. Prior to Teva, he served four years as the Chief Executive Officer and President of ADAMA Agricultural Solutions Ltd. During his nearly 15 years as a corporate executive, Mr. Yanai has successfully completed over 20 acquisitions and integrations. He served for 32 years with the Israeli Defense Forces and was Head of the Planning Branch of GHQ from 1998 to 2001 when he retired as a Major General. He led the Israeli Security Delegation to the peace talks at Camp David, Shepherdstown and Wye River.