Olivier Calster

Olivier Calster serves as CEO at SellerX. SellerX operates in the retail sector with approximately 500.0 employees. The company is headquartered in London, England. SellerX generates annual revenue of 110000000.0. To date, SellerX has raised 1080045845.0 in total funding, with the most recent round being Other.

Industry & Role Insights

• • MessageCEO tracks 2,854 executives in the retail sector.
• • We have verified contacts for 3 executives at SellerX.
• • 10,137 executive contacts are available in England.
• • Our database includes 201,468 c suite-level executives.

Route 53 Gmail Outlook Google Apps Microsoft Office 365 Zendesk Amazon AWS Cloudflare DNS CloudFlare Hosting MailChimp SPF Atlassian Cloud Hubspot Braze Webflow Greenhouse.io Facebook Custom Audiences WordPress.org Linkedin Marketing Solutions Mobile Friendly Facebook Widget Google Font API DoubleClick Conversion Google Tag Manager YouTube DoubleClick Nginx Google Dynamic Remarketing Ubuntu Facebook Login (Connect) Remote AI Render

ecommerce amazon growth international europe startup amazon aggregator business acquisition sell your business entrepreneur support business valuation swift transactions due diligence brand growth investment opportunities consumer brands private equity exit strategy seller stories business integration market expansion scalable growth supply chain optimization patent protection customer focus personalized service integrity in business global brands fast business sales partnership model entrepreneur resources funding support marketing strategies operational excellence success stories business partnerships esg compliance business management trusted products fast-growing companies amazon fba business sustainability investor relations team collaboration market leadership capital raise revenue growth business transition digital strategy entrepreneurial culture community impact sales optimization amazon business acquisition scaling personalized acquisition fba businesses consumer goods lifestyle products sustainable brands operational expertise marketplace consolidation tech-driven solutions high-quality products customer-centric approach funding venture capital berlin-based innovative e-commerce entrepreneurial community consumer trust ethical consumerism competitive analysis brand optimization product development urban market focus young professionals luxury goods online shopping experience customer satisfaction remote work culture fast-growing environment e-commerce consumer internet consumers internet information technology & services financial services marketing strategy marketing & advertising b2b marketing

LR

Lars Rieche CTO at SellerX

DG

Darren Goode Global Chief Marketing & Brand Officer at SellerX

JF

Julien Ferment CTO at 1001Pneus

GB

Gianluca Borghi-Mba Chief Executive Officer at 10 Corso Como

RF

Ralf Faessler CEO at 11teamsports Group

Outreach Guidance — retail Sector

Retail executives like Olivier Calster focus on margins, inventory, and omnichannel customer experience. Reference specific operational improvements and benchmark data from comparable retail brands.

Olivier Calster's Position in the MessageCEO Database

• •Olivier Calster is 1 of 3 verified executive contacts we track at SellerX.
• •2,739 verified executive contacts in retail are in the MessageCEO database.
• •10,040 verified executive contacts in England are in the database.
• •17 verified contacts work at retail companies in the 500.0 employee range (same size as SellerX).

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 Olivier Calster directly?

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

What company does Olivier Calster work for?

Olivier Calster is CEO at SellerX, a company in the retail sector with 500.0 employees. The company is based in London, England.

Can I pitch or sell to Olivier Calster?

As CEO at SellerX, Olivier Calster is a key decision-maker in the retail sector. MessageCEO Pro gives you verified email to reach Olivier Calster directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Olivier Calster in?

Olivier Calster works in the retail industry as CEO at SellerX. MessageCEO provides verified contact information for executives across all major industries.

Is Olivier Calster's contact information verified?

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

Last updated: July 26, 2026