John D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

High-impact Marketing leader with 25 years experience in all aspects of marketing and product line management across multiple technologies, channels and markets worldwide. I have held numerous executive-level marketing roles in the networking, security, unified communications and telecommunications industries at companies including Turin Networks, Secure Computing, CyberGuard, Nortel, Bay Networks, Cabletron and Data General, and have successfully launched multiple products during my career. I drove Nortel’s Contivity portfolio from inception to the number one position in the VPN market, helping create a $125M business in just 18 months. Most recently, I’ve worked with clients in top-tier consultancies and large to midsize enterprises across multiple practice domains, including security analytics, incident response and forensics, network security, digital services, big data & analytics, finance effectiveness, professional services, managed services, strategic alliances, and OEM services. I provide a wide range of marketing services including interim executive management, marketing planning and execution, content marketing, messaging and go-to-market positioning. Specialties: Chief Marketing Officer, VP Global Marketing and Business Development, VP Product Marketing, Network Security, Security Analytics, Digital Services, Professional Services Marketing, Technology Marketing, Networking, Management Consulting, Interim Marketing & Sales VP, Management & Technology Consulting Marketing, Telecom, Go-to-market Strategy, Content Marketing, Enterprise/Service Provider, Channel Marketing, Corporate Communications, Product Management, M&A