Creative Director & Co-Founder
proof.
Angel Iskrev is the creative director and co-founder of proof. — an independent agency born in Sofia, Bulgaria. With over 13 years in the game, his work for brands like Telenor, Carlsberg, Lidl, fritz-kola, TELUS, four paws, and more has picked up 250+ awards across national and international shows. He co-founded proof. in 2018. Since then, the agency has won Creative Agency of the Year at FARA (2022), has been named Digital Agency of the Year four times at IAB MiXX (2018, 2020, 2021, 2022), and has earned 10 Effie Awards, including 7 Golds.
In 2025, Angel’s campaign “The Witness” became the first-ever Global Effie Contender from Bulgaria. His work has been recognised at The One Show, Epica, Cresta, MADStars, Golden Drum, AdBlackSea, The Drum, Lisbon Ad Fest, White Square, IAB MiXX, and more — bringing in 40+ international awards.
He’s also judged at: Effie Europe, The One Show, ADC*E, Lisbon Ad Fest, MAdStars, Kyiv Festival, WINA, IAB Europe, Effie Bulgaria — and chaired the creative jury at IAB MiXX Bulgaria three times. Angel is a board member at IAB Bulgaria, guest lecturer at the American University in Bulgaria, NBU & SoftUni, and speaker at Webit, Digitalk, and Ad Academy Busan.
Outside of advertising, he’s the voice behind 8 Olympic Games as a sports commentator for Eurosport.