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Senior Leadership

Our leadership team has unmatched silicon carbide expertise and extensive experience in the semiconductor industry, enabling us to capitalize on the vast opportunities ahead for Wolfspeed’s solutions in high-growth markets. With their knowledge and expertise, we are building a wide bandgap semiconductor powerhouse that is driving the industry transition from silicon to Silicon Carbide with all the passion, ingenuity and perseverance that has guided our company for more than 30 years.

Wolfspeed, Inc. President and Chief Executive Officer Gregg Lowe headshot

Gregg Lowe

President & Chief Executive Officer

Gregg Lowe joined Cree, Inc. (now Wolfspeed) in September 2017 as President and Chief Executive Officer (CEO) to translate vision and strategy into world-class execution and bottom-line growth. 

Prior to Wolfspeed, he served as president and CEO of Freescale Semiconductor, a $5 billion global company with products serving automotive, industrial, consumer and communications markets. During his time at Freescale, Gregg led the successful merger with NXP Semiconductors N.V. creating a high-performance, mixed-signal semiconductor industry leader, with combined revenue of more than $10 billion. Prior to Freescale, Gregg had a long career spanning 28 years at Texas Instruments including executive roles as senior vice president and leader of the analog business.

A professional headshot of Elif Balkas, our Chief Technology Officer

Elif Balkas

Chief Technology Officer

As Chief Technology Officer, Elif focuses on pioneering breakthrough semiconductor technology for Wolfspeed’s Power and RF commercial applications. She joined Wolfspeed in 2006 and has more than 20 years of experience in various leadership positions within the wide bandgap (WBG) materials field in the technology industry. Prior to Wolfspeed, Elif served as a scientist at Intrinsic Semiconductor where she was responsible for GaN and Silicon Carbide epitaxy product development with a focus on high-quality, efficient and effective processes.

Elif co-founded the Women's Initiative at Wolfspeed, has served as the leader of the Professional Development Focus, and continues to serve on the Women's Initiative Steering Committee. She has a Ph.D. in materials science from North Carolina State University and has completed several executive education programs at The Wharton School focusing on product management and strategy, scaling a business, and leadership development.

Wolfspeed, Inc. Chief Human Resources Officer Margaret Chadwick headshot

Margaret Chadwick

Chief Human Resources Officer

Margaret Chadwick serves as Wolfspeed’s Chief Human Resources Office and Senior Vice President of Human Resources, and has been with the company since 2005. Prior to joining Wolfspeed, she worked in progressive levels of HR responsibility at Duke Energy for eight years. Having started her career in consulting, Margaret has a passion for building leadership and communication skills across the business. She is a certified Trainer of Bell Leadership Achiever, and has also attended many specialized communication programs. Margaret holds a B.S. in business from Wake Forest University.

Wolfspeed, Inc. SVP of Legal Brad Kohn headshot

Brad Kohn

Chief Legal Officer

Brad Kohn serves as General Counsel and Corporate Secretary of Wolfspeed, Inc., having joined Wolfspeed in that role in May 2013. Prior to Wolfspeed, Brad spent almost eight years at MEMC Electronic Materials Inc., where he was most recently the General Counsel and Senior Vice President — Legal and Corporate Secretary. He also led Business Development for two years in his time at MEMC.

Prior to joining MEMC, from 1997 to 2005, Brad was with Pillsbury Winthrop Shaw Pittman LLP (formerly Pillsbury Madison & Sutro LLP) in its Palo Alto office, where he was a Partner in the Corporate Securities Group. With Pillsbury, he represented a variety of leading Silicon Valley technology companies in mergers and acquisitions, corporate securities transactions and general corporate matters. Brad holds a Juris Doctor degree from the University of Michigan Law School and a Bachelor of Business Administration degree from the University of Wisconsin in accounting, finance and real estate and urban land development.

Wolfspeed, Inc. Chief Financial Officer Neill Reynolds headshot

Neill Reynolds

Chief Financial Officer

Neill Reynolds joined Wolfspeed as Chief Financial Officer in August 2018. Neill is a seasoned finance executive who has led various financial functions at global technology companies. Most recently, he served as Senior Vice President of Finance, Strategy and Procurement at NXP Semiconductors N.V., where he led global teams in developing and executing strategic initiatives to expand profit margins and meet growth objectives. Previously, Neill held divisional Chief Financial Officer positions and served on management teams at General Electric, executing growth initiatives for global industrial and manufacturing businesses spanning multiple technology industries. With his extensive leadership experience and industry knowledge, Neill helps ensure the company will meet its growth objectives and return value to investors.

A professional headshot of Thomas Agron, our SVP, Global Expansion Operations

Thomas Agron

SVP, Global Expansion Operations

Tom Agron is Wolfspeed's Senior Vice President of Global Expansion Operations and oversees all facility expansions. He joined the company in 2000 as an equipment tech focused on Nitride Epi. From there, he served in several roles including as a manufacturing engineer, as an equipment manager, as the Global Facilities Director, and as the Vice President of Facilities. Prior to his tenure at Wolfspeed, Tom worked for Infineon Technologies and the United States Air Force.

Wolfspeed, Inc. SVP and GM of Materials Cengiz Balkas headshot

Cengiz Balkas

SVP & GM, Materials

Cengiz Balkas is the Senior Vice President and General Manager for Wolfspeed Materials. He joined Wolfspeed, formerly Cree, in July 2006 from INTRINSIC Semiconductor Corporation. He has more than 20 years of experience in the development and commercialization of Silicon Carbide materials and semiconductors. In June 2002, Cengiz co-founded INTRINSIC Semiconductor Corporation and served as its President and Chief Executive Officer until its acquisition by Wolfspeed. Previously, he was General Manager and Director of Technology for Sterling Semiconductor Corporation, a Silicon Carbide materials company. Cengiz holds a Ph.D. in materials science and engineering from North Carolina State University. He is an inventor or co-inventor on several patents and patent applications in the field of wide bandgap semiconductors and has authored or co-authored key publications in the field.

Wolfspeed, Inc. SVP and GM of Power Jay Cameron headshot

Jay Cameron

SVP & GM, Power

Jay Cameron joined Wolfspeed as Vice President and General Manager for Wolfspeed Power in May 2018. He has a diverse technology background spanning multiple geographic areas and different industries including Asia, Europe, the Middle East, and the Americas and the personal electronics, automotive, industrial, telecommunications, and enterprise markets. Prior to joining Wolfspeed, Jay held Vice President and General Manager positions at Texas Instruments, where he worked for 17 years. His global perspective, dedication to building high performance teams, and strategic planning and implementation skills make him a critical leader to Wolfspeed as it continues to accelerate growth. Jay has a B.S.E. and M.S.E. in electrical engineering from the University of Michigan.

Wolfspeed, Inc. Senior Vice President and the Chief Information Officer David Costar headshot

David Costar

Chief Information Officer & SVP

David Costar is the Chief Information Officer and Senior Vice President at Wolfspeed. As CIO, David is responsible for leading Wolfspeed’s business transformation to deliver scale and efficiency through modernized digital capabilities, advanced process automation and enterprise shared services. He is also responsible for setting Wolfspeed’s technology vision and strategy, and supports the global business solutions, applications and infrastructure that underpin Wolfspeed’s global operations.

A professional headshot of Lisa Fritz, our SVP, Global Quality

Lisa Fritz

SVP, Global Quality

Lisa Fritz joined Wolfspeed in 2018 and serves as Wolfspeed’s Senior Vice President of Global Quality. She is an experienced quality professional with over 25 years in the semiconductor and automotive industries. Prior to joining Wolfspeed, she had a long career spanning 20 years at Texas Instruments, recently serving as Quality Director for their High Volume Analog and Logic business. Lisa has represented Wolfspeed on North Carolina State University's Women and Minority Engineering Programs National Advisory Board, as a speaker at the 2021 Society of Women Engineers Conference and is a co-founder of the Wolfspeed Women’s Initiative. She holds a Bachelor of Science in electrical engineering from New Mexico State University.

A professional headshot of Rick Madormo, our SVP of Sales and Marketing

Rick Madormo

SVP, Global Sales and Marketing

As Senior Vice President of Global Sales and Marketing, Rick Madormo oversees the growth, strategy and operations of Wolfspeed’s entire sales organization. Rick joined Wolfspeed in 2018 as the Vice President of Sales for the Americas and was able to mature and develop that fast-growing team into achieving record-setting results. Rick has more than 25 years of sales experience, primarily in the semiconductor industry. Prior to joining Wolfspeed, Rick served as Vice President of Americas Sales at Intel and held several sales leadership positions during his tenure at Altera. Rick holds a bachelor’s degree in electrical engineering technology from the University of Akron.

A professional headshot of Adam Milton, our SVP, Global Materials Operations

Adam Milton

SVP, Global Materials Operations

Adam Milton is the Senior Vice President of Global Materials Operations, overseeing Wolfspeed’s Durham Materials & Epi operation. He previously served as the Vice President of Wolfspeed’s Mohawk Valley Fab. In November 2019, Adam left North Carolina to lead Wolfspeed’s New York startup team, splitting his time between the company’s 200 mm pilot line at SUNY Albany and the construction site in Marcy. Adam has a B.S. degree in electrical engineering from North Carolina State University.

A professional headshot of Missy Stigall, our SVP, Global Fab Operations

Missy Stigall

SVP, Global Fab Operations

Missy is Wolfspeed’s Senior Vice President of Global Fab Operations and is responsible for the strategy and direction of Wolfspeed’s Mohawk Valley Fab, RTP Fab, and Durham Fab, developing innovative production solutions, building dynamic manufacturing and engineering teams, and delivering on-time quality execution that meets customer needs. In addition, she sponsors our Management of Change initiative, is responsible for several initiatives in the Global Operations organization, and has a passion for driving critical conversations that result in solutions that evolve inclusion and diversity. Missy has 23 years of experience in the semiconductor industry, encompassing a wide range of roles. She graduated from Southern Methodist University with a B.S. in electrical engineering and from Kettering University with a M.S. in engineering management.

Wolfspeed, Inc. SVP and GM of RF Gerhard Wolf headshot

Gerhard Wolf


Gerhard Wolf joined Wolfspeed in March 2018 as the Vice President and General Manager of the RF business unit. Gerhard has over 20 years of experience working in the semiconductor industry. Prior to Wolfspeed, he worked for Infineon, where he was Vice President and General Manager of the RF power product line for eight years and held multiple management positions in Europe, Germany and Austria. Gerhard graduated from the Technical University of Munich in Germany with a M.Sc. in electrical engineering.

A professional headshot of John Edmond, our Co-Founder & Research Fellow

John Edmond

Co-Founder & Research Fellow

Dr. John Edmond is one of the Wolfspeed's co-founders, and focuses his research on Silicon Carbide materials for power semiconductor device applications. He was a key scientist in the research, development and manufacturing of Silicon Carbide and GaN LEDs for 30 years and is the inventor of over 411 worldwide patents. John graduated with a B.S. in ceramic engineering at Alfred University and received a Ph.D. in materials science at North Carolina State University.

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