Both Walker and Isidoro will join the Blexr management team and support the business with its ongoing growth and expansion plans.
Walker takes on his new role having served as head of agile delivery at iTech Media for over two years, while he also previously had a short spell as head of delivery for the Sporting Group.
Prior to this, he spent three years with News UK, first as head of delivery for newspaper The Sun and later head of delivery for core platforms.
Walker also worked for the Financial Times for three years, working across a number of roles.
“I am so pleased to be joining at such an important time, starting our next chapter together and being able to play my part in helping everyone achieve their goals,” Walker said. “Together we’re going to make Blexr into an even more prominent player within the lead generation industry.”
Isidoro also joins from iTech Media, where he spent 18 months as its global head of SEO and content marketing, following a spell as head of marketing acquisition for The AA.
He also spent more than a year as head of SEO for Dyson, while during almost five years with GoCompare served as group head of SEO and also SEO, outreach and social media manager.
Earlier in his career, Isidoro also spent time with Box UK, Liberty Marketing, Peter Sommer Travels and the University of Worcester.
“I am thrilled to have joined such a wonderful bunch of people at an important stage of the business’ growth,” Isidoro said. “I joined because I believe Blexr’s potential is unlimited, and I look forward to working with the entire team to build and accelerate the portfolio’s momentum in the months and years to come.”