Conversion Copywriting Certification Mark Crosling is a Conversion Copywriter certified by Copy Hackers Certification as a Conversion Copywriting by Copy Hackers requires obtaining certifications for: 10x Emails 10x Landing Pages 10x Launches 10x Emails Certification – Mark Crosling 10x Landing Pages Certification – Mark Crosling 10x Launches Certification – Mark Crosling