Google Inc., the $10.6 billion Internet search giant based in Mountain View, Calif., has announced the retirement of CFO George Reyes. Reyes, 53, will remain with the company until a replacement has been named to ensure a smooth transition. During his five-year tenure at Google, Reyes assisted in the regulatory demands of Sarbanes-Oxley implementation and the challenges of scaling a global finance organization. He joined Google from ONI Systems Corp. where he served as acting CFO. Prior to ONI, he spent 13 years with Sun Microsystems Inc., holding various finance positions including controller and treasurer.

Gap Inc. has announced that current senior vice president of corporate finance Sabrina Simmons will assume the position of acting CFO, following the resignation of CFO Byron Pollitt. Simmons has also been appointed to the newly created position of executive vice president of the $15.9 billion specialty retailer, with headquarters in San Francisco. Simmons, 44, began her career with Gap six years ago as vice president and treasurer.

Equity Residential Properties Trust, the $1.9 billion real estate investment trust, with headquarters in Chicago, appointed John G. Lennox as acting CFO. Lennox, 53, replaces Donna Brandin, who resigned to pursue other professional and personal interests. Lennox has spent over 23 years with Equity Residential, serving as controller, senior vice president of finance and administration and, most recently, as senior vice president of financial planning and analysis.