Management Team

Mr. Prescott has served as President and CEO of Align Technology since March 2002. Previously, he was President and CEO of Cardiac Pathways, Inc., where he brought focus to the organization, launched new products and substantially grew the revenue run rate over a 24-month period. Prior to Cardiac Pathways, Mr. Prescott held various sales, general management and executive roles at Nellcor Puritan Bennett, Inc., and various management positions at GE Medical Systems. In addition, Mr. Prescott served in sales, marketing and management roles at Siemens. He earned his masters degree from Kellogg Graduate School of Management, Northwestern University in 1992 and his bachelors degree, with emphasis in Civil Engineering, from Arizona State University.

Tim Mack was appointed Senior Vice President Business Development in April 2011 through the acquisition of Cadent Holdings, Inc. and its subsidiaries, a privately held manufacturer of 3D digital scanning solutions for orthodontics and dentistry. He is responsible for creating and developing business partnerships in dentistry and extending our technology with distributors and lab partners. He brings to Align Technology a great amount of information and experience in go-to-market strategies for the 3D digital scanning industry and deep knowledge of restorative dentistry.

At Cadent, he was President and Chief Executive Officer since 2009. He joined Cadent in 2005, as Executive Vice President & General Manager where he led the introduction and adoption of Cadent's new 3D digital imaging technology into the market. Prior to Cadent, Mr. Mack was Vice President and General Manager of DENTSPLY Ceramco, a wholly-owned subsidiary of DENTSPLY International. Prior to DENTSPLY, Mr. Mack held a series of management positions in the U.S. and Europe within Consumer Electronics and Medical Imaging Divisions at Eastman Kodak Company. Mr. Mack received an MBA degree from Simon School, University of Rochester, New York and graduated from Clarkson University in Potsdam, New York with a BS degree.

Ken Arola was appointed Vice President, Finance and Chief Financial Officer in December 2007. He previously held the role of Vice President, Finance and Corporate Controller since 2005. Mr. Arola brings more than 25 years of broad financial experience in medical device and technology companies. Prior to joining Align, Mr. Arola spent 14 years at Adaptec where he was most recently Vice President, Finance and Corporate Controller. As a key member of the team tasked with growing Adaptec's business, he led global financial teams, including corporate finance, international finance, financial and strategic planning and also led M&A financial activities. Prior to Adaptec, Mr. Arola held various financial planning and operations controller positions for companies such as Unipath Company, Inc, a start up manufacturer of analytical medical instrumentation, Varian Associates, a manufacturer of semiconductor equipment, analytical and research instrumentation and health care products and Cooper Laboratories, a provider a various medical solutions. Mr. Arola holds an MBA degree from Santa Clara University and a bachelor of science degree from the University of the Pacific.

Mr. Cambra was appointed Vice President, Research and Development in June 2008. He is responsible for research and development programs and for executing the Company's product roadmap to deliver new and enhanced Invisalign products. Innovation has been a hallmark of Mr. Cambra's career. As a member of the management and technical teams at Acuson Corporation, now a Siemens Company, he was instrumental in the development of the Sequoia Medical Diagnostic Ultrasound system, a breakthrough in high-resolution ultrasound products that has generated more than $4 billion in revenue and has been inducted in the Smithsonian. More recently, Mr. Cambra served as Senior Vice President, Research and Development for Pharsight Corporation, a leading provider of simulation and modeling software for pharmaceutical and biotechnology companies. Prior to his role at Pharsight, Mr. Cambra was Vice President, Engineering at Stentor Inc. and the Phillips Global PACS business unit, an industry leader in providing medical informatics solutions. Earlier roles included executive engineering and operations positions at Visto, where he led development of communications solutions for the first Handspring/Palm Treo device, and iScribe, where he led the development of an industry leading ePrescribing solution. Mr. Cambra received his undergraduate degrees in mathematics and engineering from MIT and his graduate degree in engineering from UC Berkeley.

Mr. Ellis has served as Align Technology's Vice President, North American Sales since June 2005. He is responsible for developing new and existing customer relationships and for scaling Align's North American sales organization. He is also responsible for customer support, training and inside sales. Prior to joining Align, Mr. Ellis was Vice President, Sales for privately-held BARRx Medical. He was alsoVice President, BioSurgery US and Vice President, Sales for Fusion Medical Technologies, a division of Baxter Healthcare, and Vice President, Sales & Marketing for Cardiac Pathways Corporation. Earlier in his career Mr. Ellis held national sales positions of increasing scope and responsibility at Fusion Medical Technologies and Eli Lilly MDD/Guidant Corporation. Mr. Ellis graduated with a bachelor of science degree in business administration from Oregon State University, and subsequently served five years in the U.S. Marine Corps.

As Vice President, Legal Affairs and General Counsel Mr. George is responsible for all aspects of Align's legal affairs including transactional, securities, governance, intellectual property, real estate and employment matters. Prior to joining Align, Mr. George was the Chief Financial Officer, Vice President, Finance and Legal Affairs and General Counsel of SkyStream Networks, a worldwide network infrastructure company whose products enable service providers to create and deliver digital medial services across converged broadband and broadcast networks. Prior to SkyStream, Mr. George was a partner at Wilson Sonsini Goodrich & Rosati in Palo Alto, CA, the leading law firm representing technology companies at all stages of their growth, and the investment banks and venture capital firms that finance them. Prior to joining WSGR, Mr. George was an associate attorney with Buist Moore Smythe & McGee in Charleston, SC. Mr. George worked at KPMG Peat Marwick in Washington, DC, before attending law school. He is a Certified Public Accountant. Mr. George attended the University of Virginia where he earned the degrees of bachelor of science degree in commerce (1988) and Juris Doctor (1992).

Len Hedge was promoted to Senior Vice President, Business Operations in December 2007. Mr. Hedge's focus is on the design and implementation of core business processes and cross-functional collaboration to support the Company's long-term goals and strategic initiatives. Since 1999, Mr. Hedge has helped create Align's world-class manufacturing technology and processes, first as Vice President, Manufacturing and most recently as Vice President, Operations, where he built a preeminent worldwide manufacturing team and operation, and customized and deployed many cutting-edge technologies for Align's one-of-a-kind manufacturing process. Prior to Align, Mr. Hedge served as Vice President, Operations for Plynetics Express Corporation, a rapid-prototyping and stereolithography services supplier. From October 1991 to December 1996, Mr. Hedge worked at Beckman Instruments Corporation as Manager for Prototype Manufacturing and Process Development. Prior to joining Beckman, Mr. Hedge spent 13 years with General Dynamics Corporation, holding positions of increasing responsibility from Machinist to Manager of Mechanical Fabrication. Mr. Hedge received his bachelor of science degree from La Verne University.

Richard Twomey was appointed Vice President International in July 2010. He is responsible for the Company's operations in the Europe, Asia Pacific and Latin America regions and strategy to drive international growth, principally in Europe, while opening up additional new markets around the world. He brings extensive experience and knowledge with large med tech businesses across Europe and the Asia Pacific and Latin America regions.

Mr. Twomey has spent the past 13 years in senior management positions within divisions of Johnson & Johnson, having served most recently as president of DePuy, International Ltd., part of the DePuy Orthopaedics, a global leader in the provision of surgical implants for orthopaedic applications. Mr. Twomey also served as managing director and director of marketing for Johnson & Johnson Bone Tissue Management Group. Prior to Johnson & Johnson, Mr. Twomey held various sales and marketing positions at Biomet Ltd, Howmedica International Ltd., and Stafford Millar.

Mr. Wright became Vice President of Operations in December 2007. He is responsible for heading up all of the Company's global manufacturing and operation activities. Mr. Wright joined Align in 2000 and served as Vice President of Manufacturing, and most recently served a General Manager, New Product Development. During his tenure as Vice President, Manufacturing, Mr. Wright was instrumental in building Align's world-class manufacturing operations. Prior to joining Align, Mr. Wright spent more than 14 years in various medical device and biotechnology companies in the Silicon Valley, where he has lead worldwide manufacturing, engineering, planning, materials/procurement, and distribution/logistics organizations. Mr. Wright holds an MBA from Santa Clara University and a bachelor of science degree in biology from the University of Santa Cruz.