Brunsden has over 10 years of experience in the mobile industry and joins Mainline from the Industry Group, where he has held a similar position for the last 18 months.
The role will see Brunsden overseeing and increasing the portfolio of key Mainline accounts throughout the South of England.
Mainline managing director Andrew Boden said: “Lee’s industry experience and enthusiasm will be a valuable asset and will help to drive Mainline forward in this important area of the country.”
Brunsden added: “My job is to look after current Mainline dealers, making sure their needs are met and helping them to grow their business.
“One of my initial priorities will be to expand my team of dealer support executives, so we can increase the frequency of contact with dealers and help them to take maximum advantage of new commercial opportunities as soon as they occur.”