Hanford has been appointed to the company’s first dedicated sales role, as it commits to increasing its client base and building relationships with key UK advertisers.
Hanford has previously held sales roles at Sportingbet and digital media agency Locker Room Media.
Product director Stark will be tasked with developing Infectious Media’s product roadmap and joins from ad platform Videology, where he held the role of vice president, new product development.
Stark has also worked at IBM, PricewaterhouseCoopers, Advertising.com and Lotame Solutions in senior positions across technical operations and architecture, sales and business performance; and general management.
Stark and Hanford will report into managing director Zoe Steventon.
Martin Kelly, co-founder and chief executive at Infectious Media, said: "Infectious Media continues to grow at a rapid pace, and it is testament to our ambitious vision that we are able to attract this level of senior manager to the team."
"These appointments represent significant investments to keep us on our steep growth trajectory and facilitate our expansion into new territories.
"Together we will bring new products to market focused on realising the benefits of real-time advertising for our clients."Follow @mattchapmanuk