Anthologic, a marketing and technology collective, will host an event Dec. 5 to celebrate its 25th anniversary at its headquarters, located at 600 E. Court Ave. in Des Moines. The event will start at 4 p.m. “The heart of Anthologic’s success over the past 25 years is, without a doubt, our people,” said Jim Swanson, chief culture officer at Anthologic, in a prepared statement. “We’ve built something truly special here — a culture where collaboration, creativity and meaningful relationships thrive. As we look forward to the next 25 years, we remain committed to these values and grateful to every person who’s helped us get here.” To RSVP, click here.