Nine team members of Irvine-based accounting firm Haskell & White LLP were promoted to senior and management positions. Michelle McDuffie and Dan O’Connor were promoted from their senior management positions to principals of the firm’s tax department. McDuffie joined the company in 1997 as tax manager and was promoted to senior manager in 2004. O’Connor joined Haskell & White in 1999 as a senior in the tax department and was promoted to the senior position of the same department in 2004. The seven other employees promoted are Eric Warbrick, to senior management in tax; Ben Wamsley and Ryan Woodhouse, to manager in tax; Eugene Kim, Jenny Lee, and Merit Zuniga, to senior in tax; and Lee Chang, to senior in audit and business advisory services.