John Ocampo has served as a director and as the Chairman of the board of directors since our inception in March 2009. Mr. Ocampo has also served as President of GaAs Labs since co-founding it in February 2008. Previously, Mr. Ocampo co-founded Sirenza in 1984, served as a director of Sirenza from its inception in 1984 through its sale to RFMD in November 2007, and served in a number of senior executive roles throughout that period, most recently as its Chairman from December 1998 through November 2007. Mr. Ocampo also served as a director of RFMD from November 2007 to November 2008. From October 2010 to October 2013, Mr. Ocampo served as a director of Ubiquiti Networks, Inc. (“Ubiquiti”), a developer of networking technology for service providers and enterprises. Mr. Ocampo also serves as a director of various privately-held companies. Mr. Ocampo holds a B.S.E.E. from Santa Clara University. Mr. Ocampo’s strategic vision, developed over more than 30 years successfully leading public and private companies in the RF semiconductor and component industry, is a unique asset to our board of directors. His engineering background and extensive knowledge of our operations, markets and technology provides our board of directors with important insights. We also believe that having our largest stockholder (together with Mrs. Ocampo and their affiliates) on the board of directors assists the board in making decisions aimed at increasing stockholder value over the long term.
Stephen G. Daly has served as our President and Chief Executive Officer since May 2019. Mr. Daly has served on MACOM’s Board of Directors since March 2015. From January 2004 through March 2013, Mr. Daly served as the President of Hittite Microwave Corporation (“Hittite”), a provider of analog and mixed signal integrated circuits, modules and subsystems for commercial and military RF, microwave and millimeterwave applications. Mr. Daly also served as Hittite’s Chief Executive Officer from December 2004 through March 2013. He served as a member of Hittite's board of directors from January 2004 through May 2013, and as its chairman from December 2005 through March 2013. From 1996 to 2004 he was employed in other application engineering, marketing and sales roles at Hittite. Mr. Daly received a B.S. in Electrical Engineering from Northeastern University.
Dr. Douglas Carlson has served as our Senior Vice President, Technology since September 2019. From October 2017 through September 2019, he served as our Senior Vice President and General Manager, RF & Microwave, from August 2017 through September 2017, he served as our Senior Vice President, Technology, and from October 2016 through July 2017 he served as our Vice President, Technology Development. Prior to that he held the position of Director of Aerospace and Defense Strategy since April 2013. From August 2012 to April 2013, Dr. Carlson was Director, Aerospace and Defense Business Development, and from October 2010 to August 2012, he held the position of Chief Engineer. Before joining MACOM in 1990, Dr. Carlson served on the research staffs of MIT and Bell Laboratories. Dr. Carlson holds a ScB in Electronic Materials from Brown University and a ScD in Electronic Materials from the Massachusetts Institute of Technology.
Robert Dennehy has served as our Senior Vice President, Operations, since October 2013, and prior to that had served as our Vice President, Operations, since March 2011. He previously served as Managing Director of our Cork, Ireland subsidiary from 2006 to March 2011. Prior to that Mr. Dennehy served in product management and other roles of increasing responsibility with us. Mr. Dennehy holds an Associate’s degree in Electronic Engineering and a Diploma in Business Administration from Henley Business School, London.
Donghyun Thomas Hwang has served as our Senior Vice President, Global Sales, since January 2015. From January 2002 through August 2014, Mr. Hwang held various sales positions at Hittite, including Vice President of Worldwide Sales from January 2010 to October 2013, Vice President of Asia-Pacific Sales from November 2013 to July 2014 and, following the acquisition of Hittite by ADI, Director of Asia-Pacific Sales from July 2014 to August 2014. Mr. Hwang received a B.S. in Electrical Engineering and an M.S. in Electrical Engineering from Lehigh University.
Ambra Roth has served as our Vice President, General Counsel and Secretary since May 2018, and prior to that in roles of increasing responsibility since joining MACOM in December 2013, including most recently as Associate General Counsel from April 2017. Prior to joining MACOM, Ms. Roth served as Associate General Counsel for Mindspeed Technologies, Inc., which she joined in November 2007. Ms. Roth has over 13 years of in-house legal experience representing technology companies, having started her legal career at Vivendi Universal Games, Inc./Blizzard Entertainment. Ms. Roth holds a Bachelor of Arts in Political Science and French from Loyola Marymount University and a Juris Doctor from Loyola Law School.