Maven Networks has hired Susan Bratton to the new position of senior vice president of sales and marketing and Gretchen Fleming as vice president of finance and operations. Prior to Maven Networks, Bratton served as vice president of marketing and sales at Mailblocks and launched the company's consumer Webmail service. She also founded Cendara, Inc. - a rep firm with a roster of innovative companies. Bratton will open Maven's Silicon Valley office. Prior to joining Maven, Fleming was chief financial officer and treasurer for MediaMap, Inc. - a market-leading corporate communications services company. She joined MediaMap from PricewaterhouseCoopers LLP, where she was a manager in the Audit and Business Advisory Services group.