Serebra Learning Corp. has added four new executive team members: DEREK LEUNG as C.O.O.

Mzinga has appointed ALAN (AL) F. NUGENT chief executive officer. He brings more than 30 years of experience in strategic management and innovation to the company. Prior to joining Mzinga, Nugent served as executive vice president and C.T.O. at C.A.

BARB ARTH has been named senior analyst of Leadership Development.

STEVE GOLDBERG Recently joined Bersin as principal analyst and H.R. Technology Industry advisor.

SARAH WHITE has been named principal analyst of Talent Acquisition.

KIM LAMOUREUX has been promoted to vice president of Research at Bersin & Associates, succeeding company cofounder Chris Howard, who is now senior vice president of Product Strategy.

HCI’s new Advisory Board members are: DR. PETER CAPPELLI, The Wharton School; ROB CROSS, University of Virginia; BOB FALCEY, IndependentConsultant; JOIE TOWNSEND, ITT Corp.; JEFF AKIN, Booz Allen Hamilton; JOE ILVENTO, Citigroup, Inc.

Saba has appointed Jim Lundy to the newly created position of vice president andgeneral manager of Collaboration.

Kaplan EduNeering promoted Allison Risko senior vice president, ProfessionalServices. Andy Schemick is the new company’s new CFO. Risko joined KaplanEduNeering in 2007. In her expanded role, she is responsible for all operations and delivery »

After more than eight years at Blackboard, Mike Beach has retired as CFO. John Kinzer has succeeded him. As part of the planned transition process, Beach will advise through the end of the second quarter.