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Steve Petracca, Chief Executive Officer, President and Director

Steve Petracca brings more than 30 years of leadership and PC-industry experience as chief executive officer, president and director at PC-Doctor, Inc.

Petracca came to PC-Doctor in 2009 from the Lenovo Group where, as a senior vice president, Petracca established Lenovo's software and peripherals business. He also held senior executive positions in corporate business development and strategic alliances.

Before joining Lenovo, Petracca spent two years as CEO and president of BuilderDepot Inc., an e-commerce startup. He previously served as executive vice president of sales and marketing for Pemstar, an electronic manufacturing services company, and as chairman and CEO of Reply Corp., a computer manufacturer.

Petracca holds a master's degree in business administration from Florida's Nova University and a bachelor's degree from the University of Colorado.

Suzanna Mak, Chairwoman of the Board

With more than 10 years of organizational management experience, Suzanna Mak is Chairwoman of the Board of PC-Doctor, Inc.

Mak officially joined the company in 2003, and previously had a consulting relationship with the company's management team since 2000.

Before PC-Doctor, Mak was chief executive officer and founder of a private corporation (Educational Services for Law Enforcement Training -- ESLET) that researched and produced training programs and materials for law enforcement officers in California. From 1999 through 2005, she was member of the board of directors for Travelzoo.com, a $17 million Internet media company that provides advertising for the travel industry. She is currently an advisory board member for Elder Financial Protection Network.

An attorney by training, Mak previously was the judicial officer for Stanford University from 1998 through 1999 where she designed and implemented a conflict resolution system. She also has served as an assistant district attorney for Yolo and San Mateo counties in California from 1994 to 2003. She continues to be active in legal circles and is an acknowledged expert on abuse of senior citizens and dependent adults.

A member of the California Bar Association, Mak received a juris doctorate with honors from California's Santa Clara University in 1993 and a bachelor's degree from Stanford in 1990.

Aki Korhonen, Founder

Aki Korhonen has steered the growth and development of PC-Doctor, Inc. since the founding of the company in 1993. Korhonen continues today as the company's leader and technical visionary, driving software development efforts and defining new products and architectures. More than 100 million copies of PC-Doctor products based on his work have been shipped.

Before founding PC-Doctor, Korhonen worked for Nokia Information Systems and Data General.

Korhonen is the co-author of the Common Diagnostic Model (CDM) that has been adopted as an industry standard by the Distributed Management Task Force. He holds three patents from his work in the field of diagnostic software. He is also the author of "PC Hardware from the Inside Out," a book on low-level programming for personal computers, and has been a contributing editor and columnist for "MikroBitti," a leading computer magazine in Finland, since 1984.

Percy Yang, Chief Financial Officer and Director

Yang has held the position of chief financial officer since 2004. He manages all of the company's financial, budgetary and tax operations. He has worked with PC-Doctor for more than eight years as a senior partner with Sallmann, Yang and Alameda certified public accountants. He also serves as a member of the company's board of directors with Korhonen and Mak.

Yang received his bachelor's degree in accounting from the University of California, Berkeley and a Masters in Taxation from Golden Gate University. He has received accreditation in business valuation from the American Institute of Certified Public Accountants and is certified by the National Association of Certified Valuation Analysts.

Yang is active in the California Society of Certified Public Accountants, the American Institute of Certified Public Accountants, and other business and professional communities as an active board and committee member. He lectures at the National Association of Accountants and other accounting, real estate, business, and professional groups, and is active in several local community service groups.

Ken Sheppard, Chief Technology Officer

Ken Sheppard is responsible for all engineering and product development activities at PC-Doctor, Inc. He led the team that built PC-Doctor® for Windows, which ships on millions of personal computers made by IBM, Lenovo, HP, Dell, Acer and other leading manufacturers.

Sheppard joined the company as a software engineer in 2000, and quickly rose to senior design engineer. He was appointed to his current position as chief technology officer in May 2005.

Before joining PC-Doctor, Sheppard was in the U.S. Army where he rapidly achieved the rank of captain. He served as information technology and communications officer for a 450-soldier command at Fort Sill, Okla. where he managed a team of 16 soldiers who engineered, installed and maintained an information-technology infrastructure that included more than 200 workstations and six servers. Previously, as a top-rated lieutenant, he conducted fire direction for a howitzer platoon and was responsible for the welfare and training of 40 soldiers.

Sheppard also served as a software engineer for the Hydrologic Engineering Center in Davis, Calif. He is a Sun Certified Programmer for Java 2 and a Microsoft Certified Systems Engineer.

A distinguished graduate of the Reserve Officer Training Corps at the University of California, Davis, Sheppard received a bachelor's degree in computer science and engineering from the university in 1996.

Doug van Aman, Chief Marketing Officer

Doug Van Aman became chief marketing officer in 2005 after a consulting engagement with the company. He brings 25 years of high-tech marketing experience and oversees all marketing efforts at PC-Doctor.

Van Aman was the owner of a successful consulting practice engaged by Sun Microsystems, eBay, Hitachi Global Storage Technologies, Cadence Design Systems and nVidia on a wide range of corporate, financial and marketing communications issues.

Previously, he was director of marketing for Sun Microsystems. During his tenure, he led the communications teams that focused on Sun's enterprise customers. He devised strategies and led programs for communications strategy, messaging, and competitive response.

Before joining Sun, Van Aman was managing director and general manager for Shandwick International's Northwest operations where, under his direction, the Shandwick team successfully introduced many of Microsoft's leading Internet services. He participated in the senior Microsoft communications team responding to the Justice Department lawsuit. He also acted as senior counsel to Apple on financial crisis communications and leadership transition, and provided strategic and tactical counsel to a wide range of small and large clients, including Adobe Systems, Hewlett-Packard Company, Visa International, and Levi Strauss & Company.

Van Aman began his communications career in journalism, working as a newspaper reporter and editor for daily newspapers, and as a correspondent for United Press International and the San Francisco Examiner. He received his bachelor's degree from Dominican University of San Rafael, Calif.

Amy L. Warner, Director of Sales

Amy brings more than 15 years of technology sales management experience to PC-Doctor. In her new position, she is responsible for leading all of the company's sales efforts globally, including OEM and Enterprise accounts.

Warner's technology sales experience includes leadership positions at Lenovo where she directed worldwide product marketing and sales enablement of high-value, strategic software solutions; Dell where she was responsible for software-as-a-service sales of leading on-demand desktop management solutions; and Pemstar where she led regional sales of electronics manufacturing services.

An engineer by training and experience, she also held engineering management positions at Pemstar and IBM.

Warner earned a bachelor of science in mechanical engineering from the University of Wisconsin, and is the recipient of three patents related to hard disk drive design.

Laura Robertson, Manager of Human Resources and Administration

Laura Robertson is responsible for the ongoing design, implementation, and management of the company's human resources infrastructure and office operations.

Robertson brings over 20 years of experience to her role, including human resources, management, adult education, and technology. Prior to joining PC-Doctor, her HR background included positions with global animal health company Merial and Pinnacle Entertainment, and she is an ongoing provider of adult education through community initiatives.

Robertson earned a bachelor of science in organizational communication, summa cum laude, at Kennesaw State University with minors in cultural anthropology and Spanish. She holds a Professional in Human Resources (PHR) certification, and is a member of the Society for Human Resource Management and the Northern Nevada Human Resources Association.