Sign Up
Robert

Robert Rosenthal

Robert literally wrote the book on marketing optimization.

Ready for work

Robert is ready for their next project!

Charlotte, USA

WorkServicesAbout
Cover image for Building the Case for an App That Makes Family Fun Affordable
Building the Case for an App That Makes Family Fun Affordable
0
1
Cover image for Branding That Helps Build a Marketing Automation Pioneer
Branding That Helps Build a Marketing Automation Pioneer
0
1
Cover image for The #2 Most Downloaded Marketing Book on Amazon
The #2 Most Downloaded Marketing Book on Amazon
0
1
Cover image for A "Best in New England" Email Ad
A "Best in New England" Email Ad
0
1

Join 50k+ companies and 1M+ independents

Contra Logo

For independents

Contra ProManage freelance projectsGet verified as an expertFind jobsGet discoveredSign contractsSend invoicesCommission-free paymentsFrameship Challenge

For companies

For companiesManage team projectsShare hiring workspacePost jobsDiscover contractorsSign contractsApprove invoicesGlobal payments & tax compliance

Use Cases

For companiesFor freelancersFor creator toolsFor agenciesFor VCs

Resources

Partner networksAdvertisingHackathonsCreative Human DataHuman Creativity BenchmarkHuman in the loop APIProject-based hiring calculatorGuide to flexible hiringGuide for agenciesCreator tools awardsCustomer storiesBlogFAQs for freelancersFAQs for companiesReferrals

Hire Freelancers

Explore allTop independentsDesignEngineeringMarketingMusic & audioSocial mediaVideo & animationProductBusiness consulting & HROther

Company

MissionCareersTerms & conditionsPrivacy policyCookie policy

Contact

Contact support

For independents

Contra ProManage freelance projectsGet verified as an expertFind jobsGet discoveredSign contractsSend invoicesCommission-free paymentsFrameship Challenge

For companies

For companiesManage team projectsShare hiring workspacePost jobsDiscover contractorsSign contractsApprove invoicesGlobal payments & tax compliance

Use Cases

For companiesFor freelancersFor creator toolsFor agenciesFor VCs

Resources

Partner networksAdvertisingHackathonsCreative Human DataHuman Creativity BenchmarkHuman in the loop APIProject-based hiring calculatorGuide to flexible hiringGuide for agenciesCreator tools awardsCustomer storiesBlogFAQs for freelancersFAQs for companiesReferrals

Hire Freelancers

Explore allTop independentsDesignEngineeringMarketingMusic & audioSocial mediaVideo & animationProductBusiness consulting & HROther

Contact

Contact support

Company

MissionCareersTerms & conditionsPrivacy policyCookie policy

© 2025 Contra.Work Inc