Angel Iskrev

Angel Iskrev is the creative director and co-founder of proof. — an independent agency born in

Sofia, Bulgaria, and part of By The Network.

With over 12 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)
• been named Digital Agency of the Year four times at IAB MiXX (2018, 2020, 2021, 2022)
• 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, AdBlackSea, The Drum, Lisbon Ad Fest, White Square, IAB MiXX, and more — bringing in 40+ international awards.

Angel is a board member at IAB Bulgaria, guest lecturer at 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. IAB MiXX Bulgaria three times.

Angel is a board member at IAB Bulgaria, guest lecturer at 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.