IRVINE, CA-Colliers International has expanded its Corporate Solutions operations here with the naming of David Kim as a senior managing director and Reid Wilbraham as a senior director, both to be based in the company's Irvine office. At the same time, the company has named Hans Mumper managing director for the firm’s Greater Los Angeles region, based in the company's Downtown Los Angeles office.

Kim will specialize in the management and delivery of integrated client services for Corporate Solutions, working closely with Colliers’ full-service tenant service professionals on a national and international basis. Wilbraham will focus on business development for Corporate Solutions throughout the US. Mumper will provide guidance and leadership for the sales professionals and support staff within Colliers’ Downtown Los Angeles, Encino and Valencia offices. Martin Pupil, regional managing director of Colliers’ Greater Los Angeles operations, points out that the expansion of the Corporate Solutions operations locally is part of a continuation of Colliers' international expansion.

Before joining Colliers, Kim served as corporate managing director for Studley, where he specialized in integrated client services, corporate solutions and industrial services across the US during his 25 years with the firm. Previously, Reid partnered with Kim at Studley, where he focused on tenant representation for both office and industrial users.

Mumper, a 22-year veteran of the commercial real estate industry, brings "extensive background in almost all commercial real estate specialty types," Pupil notes. He adds that Mumper's experience also includes consulting, acquisitions and asset management for a wide range of institutional and entrepreneurial clients.

Before joining Colliers, Mumper was a senior vice president and director of management services at Grubb & Ellis.  In this role, he was responsible for business development and operations management over the firm’s Southern California region, in addition to overseeing a portfolio in excess of 10 million square feet.

Previously, Mumper was senior vice president, national portfolio director at Los Angeles-based Bentley Forbes, where he was responsible for all aspects of a nationwide office portfolio and various hospitality, retail and industrial properties consisting of 15 million square feet.  Mumper also spent seven years with USAA Real Estate Co., where his responsibilities included acquisitions, leasing, property sales and asset management.