iMedicor, a Nanuet-based medical technology company, said that Michael Islek has been named chief technical advisor. Islek will be responsible for advising the board on the company’s technology and information processing needs. Islek, who has spent his career working to design and develop Internet and telecommunications systems, previously was chief software architect at Register.com.

Polar Air Cargo Worldwide Inc. said that Thomas Murphy has been named chief operating officer. Murphy, who will be responsible for managing the day-to-day activities of Polar, previously served as senior vice president of aviation Asia Pacific for DHL Express’ Singapore-based business. Murphy will be based in Purchase, the corporate headquarters of Atlas Air Worldwide Holdings Inc., Polar’s parent company.

MasterCard Inc., the Purchase-based credit card giant, named banking executive Ajay Banga as its president and chief operating officer.

Banga, currently chief executive officer of Citigroup’s Asia Pacific region, is responsible for the bank’s businesses in that part of the world, including credit cards, consumer banking and institutional banking. Robert W. Selander will remain as CEO of MasterCard but will hand over the president’s job to Banga. The 49-year-old Banga will be responsible for MasterCard’s customer relationships globally, products, services, marketing, technology and operations. He is expected to join MasterCard on Aug. 31. “This is clearly a wonderful opportunity to join a company at the forefront of advancing global commerce,” Banga said in a written statement. “From its strong technology base to its local market expertise, MasterCard has many important resources in place to make life easier for consumers and payment systems more efficient for businesses and governments around the world.”

The Reader’s Digest Association Inc. in Chappaqua named Amy J. Radin as senior vice president and chief marketing officer. The company has given her responsibility to help drive growth by aligning all aspects of global marketing. Since 2007, Radin was executive vice president and global direct banking head at Citigroup Inc., the Manhattan-based banking giant.

PepsiCo Inc., the Purchase-based beverage and snack food giant, said that Tessa Hilado has joined the company as senior vice president of finance and treasurer. She replaces Lionel L. Nowell III, who has retired as senior vice president and treasurer.

Hilado will be responsible for PepsiCo’s treasury organization, including capital markets, cash management, international treasury, pensions, risk management and insurance. Hilado previously was vice president and treasurer at Schering-Plough Corp. since May 2008.

MasterCard Inc., the Purchase-based credit card giant, has been named the “Best Corporate Cards and Expense Services Provider” by Global Finance magazine for the third straight year. The award recognizes innovative solutions that create value in the commercial payments industry.

The Westchester Bank in Yonkers has named three businessmen in the county to its board of directors: Eugene S. Reisman, Peter C. Cunningham and Howard B. Arden.
Reisman, a Pleasantville resident, is chief operating officer and managing member of the real estate law firm of Novick, Edelstein, Lubell, Reisman, Wasserman & Leventhal in Yonkers. Reisman was licensed as a certified public accountant in 1976 and was admitted to the New York state bar in 1977. He is a governor of the Bronx-Manhattan North Association of Realtors, and a director of the Bronx Realty Advisory Board. He also serves as employer trustee of the Local 32BJ North Service Employees International Union Health and Welfare Funds.
Cunningham, a New Rochelle resident, is president and chief executive officer of Dover Garage II Inc. and its affiliate, The Dover Group Inc. Dover owns and operates commercial, industrial and retail properties in Manhattan, Bronx and Westchester. Cunningham serves as president of the board of managers of The Kimberly Condominium. He also serves on the Alumni Executive Board of Texas Christian University where he earned an MBA degree from The Neeley School of Business.
Arden, an Armonk resident, is president of Arden Business Systems Inc. of Armonk, an office products company he founded in 1986. Arden is founder and president of the Friends of Muscoot Park, a 777-acre county park in Somers. He also serves as chairman of the Muscoot Park Advisory Board, chairman of the North Castle Open Space Committee and treasurer to the Board of Trustees of The Friends of Westchester County Parks. He holds a master’s of public administration degree from New York University and a bachelor’s degree in political science from Methodist University in Fayetteville, NC.

John M. Tolomer, a former regional executive with Commerce Bank, will return to the area when he takes over as president and chief executive officer of The Westchester Bank in Yonkers effective Nov. 3.
Tolomer, 52, will succeed George E. Dunkel, who will retire after nearly 50 years in the business, Westchester Bank said. Dunkel joined Westchester Bank last year after retiring in 2005 as president and chief executive of Community Bank of Sullivan County.
Tolomer held positions with Citibank and Bank of New York, and served as senior vice president at the latter. In 2003 he joined Commerce Bank and helped lead its expansion in the Westchester market. In 2005 he was named president of Commerce Florida.