ISuppli Adds Director of Business Development

* Dan Hawtof, most recently director of marketing at Avnet/Marshall, has joined the management team at ISuppli Corp., an El Segundo-based electronics components e-commerce company. In his position as director of business development, Hawtof will help build strategic alliances and service offerings for customers and suppliers.

* Chatsworth-based Natrol Inc., a manufacturer and marketer of branded dietary supplements, has named M. Ehtisham Rabbani vice president of marketing. Rabbani has previously worked at Procter & Gamble and Activision Inc., where he served as vice president for global brand management.

* Seidler Cos., a private banking, public finance and brokerage based in Los Angeles, has appointed Kevin Schultz as a managing director. He previously was Kevin Schultz

managing director of EBI Securities/Westpark Capital.

* Data Exchange Corp. of Camarillo has named Ron Nathanson president of its DEX Services unit, replacing interim President Sheldon Malchicoff. Malchicoff, chief executive and chairman of the board, will focus on e-based initiatives. The company also announced several other promotions and appointments: Lynn Robison, general manager of North American operations; Steve Miller, vice president of finance; and Ron Kula, vice president of business development and marketing. Under the reorganization, RayCurran will serve as vice president of quality assurance and Maurice Regan as general manager of European operations.

Nathanson has been with DEX for more than 15 years, most recently serving as chief financial officer. Data Exchange is a developer

Anthony Solomon of repair technologies and logistics, serving major original equipment manufacturers.

* Marcus & Millichap Real Estate Investment Brokerage Co. has promoted Anthony Solomon to sales manager of its Los Angeles office.