Sebastian Zaprzalski

Sebastian Zaprzalski serves as CEO at TENESYS. TENESYS operates in the information technology & services sector with approximately 30.0 employees. The company is headquartered in Poznan, Greater Poland Voivodeship.

Industry & Role Insights

• • MessageCEO tracks 50,503 executives in the information technology & services sector.
• • 115 executive contacts are available in Greater Poland Voivodeship.
• • Our database includes 201,469 c suite-level executives.

Route 53 Gmail Google Apps Amazon AWS Microsoft Office 365 reCAPTCHA Google Maps (Non Paid Users) Mobile Friendly Google Maps WordPress.org Google Tag Manager Typekit Nginx 8x8 Avaya Vonage Twilio Docker Remote AI

ansible asterisk aws docker elasticsearch kamailio lxc mongodb otrs python redis voip kubernetes cloud containers microsoft azure google cloud platform terraform apache nginx ci cd ovhcloud grafana sre devops cloud managed services automation kafka aws advanced tier partner msp infrastructure monitoring 24 7 365 it services & it consulting cloud strategy cloud infrastructure design cloud migration cloud adaptation cloud native development devops on demand cloud professional services infrastructure monitoring infrastructure management business continuity disaster recovery cloud cost optimization cloud security security operations centre 24/7 support infrastructure as code ci/cd processes application development serverless technologies data storage data analysis orchestration monitoring & maintenance e-commerce solutions entertainment solutions fintech solutions scientific research startup support automation tools real-time data streaming apis microservices architecture service desk itil service management cost analysis risk management cloud partner collaboration technological adaptation agile methodologies cloud efficiency resource scaling performance monitoring incident management analytics configuration user experience evaluation proactive security measures information technology & services app development apps software development data analytics consumer internet consumers internet

MJ

Marvin Jo CTO at 위블링

RK

Robert Kim CEO, North America at 당근마켓

KL

Kyung Lim CTO at 인터파크

AR

Alex Ryu Chief Operating Officer, Supply Chain Solutions Group at 동양시스템즈(주)

WK

Wonho Kang 라포테이블(팔도감) | CEO · Product Lead at 라포랩스(퀸잇)

Outreach Guidance — information technology & services Sector

Technology executives make decisions on infrastructure, tooling, and partnerships. When reaching out to Sebastian Zaprzalski, lead with your value proposition relative to the stack they currently use. Generic pitches perform poorly; specific technical relevance is key.

Sebastian Zaprzalski's Position in the MessageCEO Database

• •Sebastian Zaprzalski is 1 of 1 verified executive contact we track at TENESYS.
• •49,754 verified executive contacts in information technology & services are in the MessageCEO database.
• •115 verified executive contacts in Greater Poland Voivodeship are in the database.
• •806 verified contacts work at information technology & services companies in the 30.0 employee range (same size as TENESYS).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated June 2026.

How do I reach Sebastian Zaprzalski directly?

Sebastian Zaprzalski's verified email address is available to MessageCEO Pro subscribers. They currently serve as CEO at TENESYS. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Sebastian Zaprzalski work for?

Sebastian Zaprzalski is CEO at TENESYS, a company in the information technology & services sector with 30.0 employees. The company is based in Poznan, Greater Poland Voivodeship.

Can I pitch or sell to Sebastian Zaprzalski?

As CEO at TENESYS, Sebastian Zaprzalski is a key decision-maker in the information technology & services sector. MessageCEO Pro gives you verified email to reach Sebastian Zaprzalski directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Sebastian Zaprzalski in?

Sebastian Zaprzalski works in the information technology & services industry as CEO at TENESYS. MessageCEO provides verified contact information for executives across all major industries.

Is Sebastian Zaprzalski's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Sebastian Zaprzalski's profile is kept up-to-date with the latest available information.

Last updated: June 24, 2026