With over 15 years of experience developing business applications and designing software architecture, Mark is the Founder of Yardbook, a SaaS startup focused on the $75B landscaping industry. Yardbook, launched in 2014, has on-boarded over 20,000 businesses and continues to grow very quickly. Mark worked at Yahoo where he was the Software Architect for the Sales Tools and Analytics Team. He personally architected the sales systems which are used by thousands of sales reps and which process billions of advertising revenue dollars. He was also instrumental in building the search advertising pipeline from Yahoo to Microsoft. Prior to Yahoo, Mark worked at Siebel Systems (acquired by Oracle) where he led software development on the Field Service Product Line. The product he developed has been implemented in many S&P 500 companies and is used by hundreds of thousands of users worldwide. Specialties:Product Development, Enterprise Application, Search & Display Advertising Business, CRM, Call Center, SFA, MDM, Lead to Cash, Recommendation Systems, Machine Learning, Data Mining