Sergey Butko

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Sergey Butko

Sergey Butko

CEO and Co-Founder

Sergey is a tech entrepreneur based in Kraków, Poland, recognized by Forbes 30 Under 30 Europe (2019, for CallPage) and Forbes 30 Under 30 Poland (2023, for Certifier). He co-founded CallPage, a VC-backed B2B SaaS that raised $4.5M and was later acquired by SaaS Labs in 2021, where he led marketing, growth, and lead acquisition.

In 2020, Sergey launched Certifier, a platform building digital credential infrastructure through APIs and tools for issuing, managing, and verifying certificates, diplomas, and badges. Today, Certifier serves more than 2,000 business and institutional clients worldwide, and Sergey is a frequent public voice on digital certification, identity, and the future of credentialing.

Expertise:

SaaS Growth

Digital Credentials

APIs

Product Marketing

Company Operations

Education:

  • BA Economics at Krakow University of Economics, Poland

    Studied economics and business management with a curriculum covering economic theory, finance, and quantitative analysis. Built a foundation in organizational strategy, international business, and market-driven decision-making.

Latest articles by Sergey

CPD Certification: What Is It and Why Is It Important cover image

CPD Certification: What Is It and Why Is It Important

Free Way to More Social Media Shares With Certificates cover image

Free Way to More Social Media Shares With Certificates

Make a Professional Thank You Certificate in 5 Steps cover image

Make a Professional Thank You Certificate in 5 Steps

9 Top Features of Certification Software cover image

9 Top Features of Certification Software

Make Your CV Stand Out: How to List Certifications on Resume? cover image

Make Your CV Stand Out: How to List Certifications on Resume?

Top 9 Sertifier Alternatives cover image

Top 9 Sertifier Alternatives

How to Choose Ideal Digital Credential Solutions? cover image

How to Choose Ideal Digital Credential Solutions?

10 Course Certificate Design Inspiration cover image

10 Course Certificate Design Inspiration

Case Study: Startdeliver's Impact Academy - Boosting Customer Success with Certificates cover image

Case Study: Startdeliver's Impact Academy - Boosting Customer Success with Certificates

Create and Send Digital Credentials

Take your digital certificate creation process to the next level. Design, issue, send, and track highly personalized certificates & badges in minutes.

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