Robert R.

Top 1 percent marketing strategist, copywriter & Optimarketing author.

Robert Rosenthal literally wrote the book on marketing optimization. It's called "Optimarketing: Marketing Optimization to Electrify Your Business." This "Expert-Vetted" pro – listed in the top 1% of Upwork freelancers – has developed record-breaking marketing campaigns for dozens of businesses and won more than 50 awards. "Optimarketing," previously the #2 marketing book in the Amazon Kindle Store, was based on thousands of marketing experiments and more than a quarter-century of marketing success. Robert marketed one startup that became America’s fastest-growing software firm and helped launch another in the U.S. that was ultimately sold for more than $600 million. Total change in value of businesses he's been closely associated with runs into the billions. His campaigns have been covered in Advertising Age, AdWeek, Direct Marketing News, Target Marketing, The New York Times, and other publications. Clients have included Analog Devices, Bright Horizons, Citigroup, Constant Contact, Fast Company, Fidelity Investments, Forrester, Gartner, Harvard, IBM, IDG, Inc. Magazine, Iron Mountain, Martha Stewart Living Omnimedia, McGraw Hill, MIT, Monster, New England Journal of Medicine, Progress Software, RSA Security, Thomson Reuters, Webby Awards, Ziff Davis, and many emerging companies. He's worked with more than 350 businesses. Robert is best known for transforming marketing outcomes – and return on marketing investment – via successful innovation. He previously held management positions with BBDO Direct, Petersen Publishing, Publishers Choice, and American Management Association. He holds a Bachelor of Science degree in marketing from California State University, Northridge. His skills include campaign concept development; copywriting; marketing strategy development; marketing test design; marketing mix optimization; email marketing optimization; inbound and outbound marketing; pay-per-click (PPC), including Google advertising optimization; web video and other marketing content development; lead and demand generation program development; marketing workflow design; web survey design; landing page development, including Unbounce pages; book marketing; Facebook, LinkedIn, and other social media advertising; business-to-business and business-to-consumer marketing program development; direct mail/brochure/flyer development; and more. On Upwork, Robert has served as a Fractional CMO, Creative Director, Copywriter, and in other capacities. His industry experience includes: Accounting/Bookkeeping, Beauty, Cannabis (Including CBD), Coaching (Including Leadership and Management Development), Collectibles, Consulting (Including Management Consulting and Other Services), Contractors (Including Asphalt, General Contractors, Home Improvement, Landscaping, and Roofing), Cybersecurity, Data, Dating, Education (Including College/Higher Education, K-12, and Online Learning), Entertainment (Including Entertainment Venues and Restaurants), Events, Financial Services (Including Insurance, Investments, and Lending), Fitness/Exercise, Furniture (Including Manufacturing and Retail), Healthcare/Medical (Including Dental Practices/Dentistry), Law/Legal, Manufacturing, Membership Associations, Mergers and Acquisitions (M&A)/Business Brokerage, Non-Profit, Pets/Veterinary Medicine, Publishing (Including Newsletters and Books), Pharmaceutical, Psychotherapy/Mental Health Counseling, Publishing, Real Estate (Including Brokerage, Investment, Property/Airbnb Management, and Wholesaling), Religious/Faith-Based, Research, Staffing (Including Remote Staffing and Staffing Marketplaces), Software (Including AI, Live Chat/Chatbots, SaaS, and Web Development), Training (Including Conferences, Seminars, and Webinars), Travel (Including Vacations/Resorts), and Wellness. He's experienced in a full range of marketing, content, and collaboration platforms/tools, including Asana, Basecamp, Canva, Constant Contact, EOS, Facebook/Instagram (Meta), Figma, Google Ads, Google Analytics, Google Chat, Hootsuite, HubSpot, Keap, Kindle Direct Publishing (KDP), LinkedIn, MailChimp, Metricool, Salesforce, Slack, SquareSpace, Substack, SurveyMonkey, TikTok, Typeform, Typepad, Unbounce, Wix, YouTube, WordPress, X, and others. Robert also brings deep, hands‑on experience with AI in marketing – using tools like ChatGPT, Claude, Perplexity, and Gemini to accelerate research, idea generation, and drafting, while relying on thousands of real‑world tests to refine and validate what ships. He designs AI‑assisted workflows that keep human judgment at the center, so campaigns move faster to market, reduce costs, and still optimize strategy, voice, and measurable performance. For businesses looking to launch new products, expand into the U.S. market, or simply improve marketing outcomes in measurable ways, Robert is an ideal resource.