LA TIMES - July 26 - eHarmony founder Neil Clark Warren left retirement four years ago to bring the site back to relevance. Mission accomplished. Now he is returning to retirement and Grant Langston, VP of brand marketing, assumed the CEO role Monday. His focus will be on improving the company's website and app. "Newer dating apps such as Tinder, Bumble and Coffee Meets Bagel have attracted millions of young users with simpler interfaces. It's time for eHarmony to catch up", Langston said. Leading the effort is Ken Walker, a former executive at job search start-up ZipRecruiter who was named chief product officer last month. The product went neglected as Warren prioritized turning around other facets, Langston noted. eHarmony's TV ads had become less effective in driving user sign-ups. He doesn't expect other executives who may have been skipped over for the CEO position to depart, but he's sure that there will be personnel changes.