Diamonds International competitors

Walter Craig Johnsen (born December 15, 1950) is the chairman and chief executive officer of Acme United Corporation, which is a supplier of cutting, measuring and safety products for the school, home, office, hardware and industrial markets.

Roy Harvey is President and Chief Executive Officer of Alcoa Corporation, a globally-competitive industry leader in bauxite, alumina, and aluminum, with 14,000 employees in 10 countries. He is also a Director of Alcoa Corporation. Roy has served as Alcoa’s Chief Executive Officer since November 2016 and took on the additional role of President in May 2017. Prior to the separation of Alcoa Inc. into two separate companies, he was Executive Vice President and President of Alcoa's Global Primary Products (GPP) business from October 2015 to November 2016. From June 2014 to October 2015, Roy was Executive Vice President, Human Resources, Environment, Health & Safety and Sustainability. As part of this role, he oversaw the Alcoa Foundation, one of the largest corporate foundations in the U.S. During his Alcoa career, Roy has held a variety of operating and financial assignments across the U.S., Europe and Latin America. He was Chief Operating Officer for GPP, where he focused on the day-to-day operations of Alcoa's mining, refining, smelting, castings and energy businesses. Prior to this role, he served as Chief Financial Officer, GPP. Earlier, he served as Director of Investor Relations, and before this role was Director of Corporate Treasury. Roy joined Alcoa in 2002 as a business analyst for GPP in Knoxville, Tennessee. While there, he worked with the global casthouse system to develop performance measurement systems and drive casthouse profitability. He later moved to Brazil as casthouse manager in the São Luis smelter and then as the plant controller. In 2007, he became plant manager for the San Ciprián smelter in Spain, and a year later he was named Director of Finance and Business Integration for GPP Europe. Before coming to Alcoa, Roy was Corporate Manager of Environmental Affairs at Greenstone Resources Ltd., a gold mining company based in Central America. Roy graduated with honors from The Wharton School of Business, University of Pennsylvania, simultaneously earning master’s degrees in International Business and Corporate Finance as a fellow of the Lauder Institute International MBA program, and holds a bachelor’s degree in Mining Engineering from Columbia University. In 2008, Roy was named to the prestigious Young Global Leaders Program of the World Economic Forum.

Robert 'Bob' Wetherbee is based in Minneapolis, Minnesota. He has worked as Pres:Flat Rolled Products Bus Unit at Ati Allegheny Technologies Inc, President/CEO at Ati Allegheny Technologies Inc, and Board Member at Ati Allegheny Technologies Inc. Robert works or has worked as President at Ati Tungsten Materials, Chief Executive Officer at Metalspectrum, and CHAIRMAN at Blue Green Alliance Corporate Advisory Council. He studied at Iowa State University.

Richard Tobin is an Interim President & CEO at Dover Engineered Systems Inc, Board Member at DOVER CORP, and President/CEO at DOVER CORP. He has worked as Board Member at Chamber Of Commerce Of The United States Of America, CFO/Head:Information Technology at SGS, and CEO/Interim COO:Nafta at CNH INDUSTRIAL N.V.. Richard works or has worked as MEMBER at Business Roundtable. He studied at Drexel University and Norwich University.

Ronald J. Kramer has been our Chairman since January 2018, Chief Executive Officer since April 2008 and a Director since 1993. From 2002 through March 2008, he was President and a Director of Wynn Resorts, Ltd. (NASDAQ:WYNN), a developer, owner and operator of destination casino resorts. From 1999 to 2001, Mr. Kramer was a Managing Director at Dresdner Kleinwort Wasserstein, an investment banking firm, and its predecessor Wasserstein Perella & Co.

Jeffrey Powell is a President/CEO at KADANT INC and Board Member at KADANT INC. He has worked as Senior Vice President at KADANT INC, VP:New Ventures at KADANT INC, and Executive Vice President at KADANT INC.

Leon Topalian is a Vice President at Nucor and Board Member at Nucor. He has worked as Exec VP:Beam & Plate Products at Nucor; VP/General Manager at Nucor Steel Kankakee, Inc.; and President/COO at Nucor.

Brian Chambers became the president of the Owens Corning Roofing and Asphalt business in October 2014. Previously, he served as vice president and general manager for this business since 2013. Chambers has also been vice president and managing director of Engineered Solutions in the Composite Solutions Business of Owens Corning. He spent almost four years prior as president of Saint Gobain’s Distribution Business in North America. Prior to joining Owens Corning in 2000, Chambers worked in a variety of commercial and operational roles with Honeywell, BOC Gases and an international engineering firm.

As CEO, Andres Lopez’s focus is to enhance the performance of the business to benefit customers, employees, investors and other key stakeholders. Lopez has established himself as a strong and successful leader, most recently serving as chief operating officer during 2015 and playing a key leading role on the recent acquisition of Vitro’s Food and Beverage business in Mexico, the U.S. and Bolivia. He has also served as president of O-I Americas, with a focus on strengthening O-I’s North America operations. Prior to that role, he served as president of O-I’s South America operations, where he led the region through significant organic and acquisition-based growth, adding new capabilities in Brazil and Argentina. Lopez has held various other leadership positions at O-I, including global vice president of manufacturing and engineering; vice president of manufacturing, North America; and country general manager for O-I Peru.

John L. Garrison, Jr. was appointed to the position of President and Chief Executive Officer of Terex Corporation on November 2, 2015. Mr. Garrison is also a member of the Terex Board of Directors. An accomplished and versatile corporate and industrial leader, Mr. Garrison was President and Chief Executive Officer of Fort Worth, Texas-based Bell Helicopter, a major unit of Textron, Inc., from 2009-November 2015. During his tenure at Bell, Mr. Garrison championed the revitalization of Bell’s commercial product line, improved execution of their military programs and modernized the company’s systems, processes and facilities. Before his time at Bell, Mr. Garrison served as President of Textron’s industrial segment, which comprises four businesses: E-Z-GO golf carts, Greenlee, Jacobsen and Kautex. Prior to that he was President of E-Z-GO, where he initiated and led a highly successful turnaround. Mr. Garrison joined Textron in 2002 from Azurix Corporation, a global water company, where he was President, Chairman and CEO. He was previously Vice President and General Manager of Case Corporation’s North American Agricultural Group, and Vice President and General Manager of the Case Agricultural Systems Group. Mr. Garrison is a 1982 graduate of the United States Military Academy at West Point, where he received a bachelor’s degree in engineering, later earning an MBA degree with distinction from the Harvard Business School. He spent a decade in the U.S. Army as an Airborne Ranger qualified artillery officer and taught in the Department of Social Services at West Point. Mr. Garrison served as the past President and Chairman of American Helicopter Society’s International and Chairman of Vertical Flight Foundation, a board member for the General Aviation Manufacturers Association (GAMA), and as a Cabinet member of the Marine Corps Scholarship Foundation’s American Patriots Campaign.