"Tech companies are constantly talking culture. In this year’s Top Places to Work survey, a thriving workplace culture propelled many companies to the head of the list. Four local tech executives — Raj Aggarwal, chief executive of Boston mobile marketing start-up Localytics; Jim Kizielewicz, chief marketing officer at Chelmsford’s Kronos, a maker of workforce management software; Leslie Brunner, senior vice president of people and process at Watertown’s health care software firm athenahealth; and Jim Gemmell, chief human resources officer for Akamai Technologies, an Internet infrastructure company in Kendall Square — recently gathered at the Cambridge Innovation Center’s Venture Cafe to talk culture and recruitment in Boston with Globe reporter Michael Farrell."