Nicholas Zapf has been named president of Dunbar, Bender & Zapf Inc. He succeeds Mark Dunbar, who will continue to serve as a senior consultant. The Pittsburgh-based independent provider of record-keeping, administration and actuarial services for qualified retirement plans employs 55. Zapf has more than 15 years of experience with DBZ as a consultant, partnering with accountants, financial advisors, retirement plan wholesalers, and attorneys to provide customized retirement plan solutions.