Erhan Herzog began his career in digital marketing in 2011, bringing over a decade of experience to the field. Throughout his journey, he has contributed to the development of hundreds of websites and executed more than 1,000 SEO and Google Ads campaigns across diverse industries. With over 17,000 hours of expertise, Erhan specializes in SEO strategies including audits, on-page optimization, content creation, and website relaunches, alongside comprehensive Google Ads management and cross-channel performance tracking. His professional milestones include roles as an SEO and Online Marketing Manager for notable companies, freelancing for various agencies, and serving as an online marketing instructor. Holding a Master in Systems Engineering and certifications such as Scrum Master, Erhan now leads SemUp, providing tailored online marketing consultations for SMEs.