Dr. Igor Ivitskiy PhD

Igor Ivitskiy is a PhD mathematician and the founder of Doctor Ads. Drawing on 200+ scientific publications in mathematical modelling, he developed the Profit Forensics methodology, a forensic diagnostic framework for finding hidden profit leaks in high-spend advertising accounts. He was ranked #6 in PPCsurvey.com's Top 50 Most Influential PPC Experts of 2026 and won Best PPC Case in Europe at AdWorld Experience 2024. His peer-reviewed work introduces the Heuristic Ceiling, Linear-Exponential Gap, and Critical Threshold, concepts that formalize the mathematical limits of intuition-based optimization in modern paid media. Over $770M in ad budgets have been managed under his methods. He writes on AI in marketing, marketing measurement, and ad-spend efficiency in his newsletter, The Ad Pr...