Executive Officers

Executive Officers

David H. Li President and Chief Executive Officer
Scott D. Beamer Vice President and Chief Financial Officer
H. Carol Bernstein Vice President, Secretary and General Counsel
Jeffrey Dysard Vice President and President of Performance Materials
Colleen Mumford Vice President, Communications and Marketing
Ananth Naman Vice President, Asia Pacific, and Chief Technology Officer
Thomas S. Roman Principal Accounting Officer and Corporate Controller
Eleanor K. Thorp Vice President, Human Resources
Daniel D. Woodland Vice President and President of Electronic Materials

David H. Li


David H. Li has served as our President and Chief Executive Officer, and as a director of our Company, since January 2015. From June, 2008 through December 2014, Mr. Li served as our Vice President of the Asia Pacific Region. Prior to that role, Mr. Li held various leadership roles, including our Managing Director of China and Korea, and our Global Business Director for Tungsten and Advanced Dielectrics. Prior to that, he held a variety of leadership positions in operations, sourcing and investor relations since joining us in 1998. Mr. Li received a B.S. in Chemical Engineering from Purdue University and an M.B.A. from Northwestern University.

Back to top

Scott D. Beamer


Scott D. Beamer became our Vice President and Chief Financial Officer in January, 2018. Prior to joining us, Mr. Beamer served as Vice President and Chief Financial Officer of Stepan Company from August 2013. Before that, Mr. Beamer held various senior finance roles over a 16-year career at PPG Industries, Inc., including serving as its CFO – Europe, and as its Assistant Corporate Controller. Mr. Beamer has a B.Sc. from Bloomsburg University, and an M.B.A. from the University of Pittsburgh, and began his career at Ernst & Young.

Back to top

H. Carol Bernstein


H. Carol Bernstein has served as our Vice President, Secretary and General Counsel since August 2000. From 1998 until joining us, Ms. Bernstein served as the General Counsel and Director of Industrial Technology Development of Argonne National Laboratory/the University of Chicago. From 1985 through 1997, she served in various positions with the IBM Corporation, culminating in serving as an Associate General Counsel, and was the Vice President, Secretary and General Counsel of Advantis Corporation, an IBM joint venture. Ms. Bernstein received her B.A. from Colgate University and her J.D. from Northwestern University; she is a member of the Bar of the States of Illinois and New York.

Back to top

Jeffrey Dysard


Jeff Dysard has served as our Vice President and President of Performance Materials since January 2019, and prior to that had served as the General Manager of CMP Slurry, since October 2017, following serving as the General Manager of CMP Pads, from October 2015. Prior to that, Dr. Dysard held a variety of leadership roles including Global Business Director, Director of Technology-R&D, Product Development Manager and Senior Scientist since joining us in 2004. Before that, he was a scientist with ExxonMobil.  Dr. Dysard received a B.S. in Chemistry from the University of Chicago, and a Ph.D. in Chemistry from the University of California, Berkeley.

Back to top

Colleen Mumford


Colleen Mumford has served as our Vice President of Communications and Marketing since September 2019. Prior to that, Ms. Mumford served as our Corporate Relations Director since March 2018, responsible for Investor Relations, Corporate Communications and Marketing Communications. Ms. Mumford joined Cabot Microelectronics Corporation in 1997 as part of the Chemical Mechanical Planarization (CMP) Pads R&D organization. From there, she has held various positions within Cabot Microelectronics Corporation, including as North America Quality Director, among other leadership roles in research and development, operations, and human resources. Ms. Mumford received a B.Sc. from the University of Illinois.

Back to top

Ananth Naman


Ananth Naman has served as our Vice President and Chief Technology Officer since January 2015, and as of October, 2017 also assumed responsibility for our Asia Pacific region. Previously, Dr. Naman had been our Vice President of Research and Development since January 2011. Prior to that, Dr. Naman was our Director of Product Development starting in April 2009 and Director of Pads Technology from January 2006 through March 2009. Prior to joining us, Dr. Naman managed research and development efforts at Honeywell International from July 2000 to December 2005, and from 1997 to 2000 he held positions in research and development at Seagate Technology. Dr. Naman earned B.S., M.S. and Ph.D. degrees in Materials Science and Engineering from the University of Florida.

Back to top

Thomas S. Roman


Thomas S. Roman has served as our Corporate Controller and Principal Accounting Officer since February 2004 and previously served as our North American Controller. Prior to joining us in April 2000, Mr. Roman was employed by FMC Corporation in various financial reporting, tax and audit positions. Before that, Mr. Roman worked for Gould Electronics and Arthur Andersen LLP. Mr. Roman is a C.P.A. and earned a B.S. in Accounting from the University of Illinois and an M.B.A. from DePaul University.

Back to top

Eleanor K. Thorp


Eleanor K. Thorp became our Vice President, Human Resources in September 2018. Ms. Thorp rejoins Cabot Microelectronics Corporation after serving as the Head of Human Resources and Recruiting at Sephora Digital SEA, from 2015 through 2018, based in Singapore. Prior to that, Ms. Thorp was Cabot Microelectronics’ Human Resources Director of Asia Pacific from 2013 through 2015. Before joining Cabot Microelectronics Corporation, she was Head of Human Resources and Recruiting at Frontier Strategy Group, and also spent time in executive search, working across a wide range of industries, based first in London and then in New York. Ms. Thorp graduated from the University of Cambridge (England) with a B.A. in Social and Political Science.

Back to top

Daniel D. Woodland


Daniel D. Woodland has served as our Vice President and President of Electronic Materials since November 2018, and prior to that had served as our Vice President and Chief Marketing and Operations Officer since October 2017 and Vice President of Marketing since January 2015. From June 2009 through December 2014, Dr. Woodland served as our Global Business Director for Dielectrics, after having served as our Marketing Director since December 2006. Prior to that, Dr. Woodland served as Product Line Manager, and held various research and development positions after joining us in September 2003. Before joining Cabot Microelectronics, Dr. Woodland held management roles at OMNOVA Solutions. Dr. Woodland received a B.A. in Physics from the University of California – Berkeley, and a Ph.D. in Physics from the University of Maine.

Back to top