SIR Development, a Westport developer, has appointed William Huminski, a development professional, as the newest member of the business.

Huminski will work with William Achilles, SIR's architect for residential and commercial projects, and Marc Ventresca, SIR's lead project manager and state-certified building inspector. In addition to working with SIR's speculative projects, Huminski will work with clients within the company's custom home division.

Huminski, who has more than 20 years of construction management experience and has supervised about 25 Westport projects, previously worked for ETM Construction before founding WH Construction in 1995.

A Norwalk native who lives in Easton, he later worked for five years as the project manager for Milton Development in Westport.