Jacob Sayer

Jacob Sayer serves as Chief Technology Officer at round.. round. operates in the marketing & advertising sector with approximately 37.0 employees. The company is headquartered in London, England.

Industry & Role Insights

• • MessageCEO tracks 9,879 executives in the marketing & advertising sector.
• • We have verified contacts for 2 executives at round..
• • 10,137 executive contacts are available in England.
• • Our database includes 201,468 c suite-level executives.

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SF

Simon Friend Chief Operations Officer at round.

JV

Jose Vivar Group CTO-CIO at 014 Media

DA

David Amoros CEO, Creative Director at 023. Think. Create. Produce.

DP

David Puig CEO, Creative Director at 023. Think. Create. Produce.

MD

Mike Davison Group CEO at 1000heads

Outreach Guidance — marketing & advertising Sector

Executives like Jacob Sayer in the marketing & advertising sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at round..

Jacob Sayer's Position in the MessageCEO Database

• •Jacob Sayer is 1 of 2 verified executive contacts we track at round..
• •9,714 verified executive contacts in marketing & advertising are in the MessageCEO database.
• •10,040 verified executive contacts in England are in the database.
• •184 verified contacts work at marketing & advertising companies in the 37.0 employee range (same size as round.).

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 We do not publish personal addresses or sensitive identifiers.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 July 2026.

How do I reach Jacob Sayer directly?

Jacob Sayer's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Technology Officer at round.. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Jacob Sayer work for?

Jacob Sayer is Chief Technology Officer at round., a company in the marketing & advertising sector with 37.0 employees. The company is based in London, England.

Can I pitch or sell to Jacob Sayer?

As Chief Technology Officer at round., Jacob Sayer is a key decision-maker in the marketing & advertising sector. MessageCEO Pro gives you verified email to reach Jacob Sayer directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Jacob Sayer in?

Jacob Sayer works in the marketing & advertising industry as Chief Technology Officer at round.. MessageCEO provides verified contact information for executives across all major industries.

Is Jacob Sayer's contact information verified?

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

Last updated: July 28, 2026