Co-Founder Marc Von Brockdorff shares the lessons he learned while building Hotjar from 0 to €10,000,000 in ARR in just 30 months. Business leaders from across the region gathered in Warwick this month to mark a major milestone for Cardwell Marketing. The company, which is based in Athena Drive, in Tachbrook Park, celebrated its tenth anniversary on. Co-Founder Marc Von Brockdorff shares the lessons he learned while building Hotjar from…