Sarah Hartland is passionate about making complex ideas accessible for all. She curates, edits and writes for Lineup's newsroom and has been featured in several leading industry publications. Prior to her role as head of marketing at Lineup Systems, Hartland worked in the streaming video industry as a content marketer and producer.
Mark Whistler is the product marketing director at Zephr, with almost 10 years of experience helping B2B SaaS organizations overhaul their positioning. A London native, Whistler has spent much of his career in AdTech, helping launch Vibrant Media's early programmatic offering in New York before relocating back to London in 2016 where he spearheaded product marketing efforts for WPP's Xaxis, Mediaocean and Signal AI.
