John D.
FreelancerTop Rated PlusFractional CTO | Cybersecurity, Email Security, DevOps & AI
Member since 2020 · 100% Job Success
View on Upwork
WorldTop 0.01%
United StatesTop 0.01%
Email SecurityTop 0.29%
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upworkrank#1in Email Security · Top 0.29%Share this rank
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$38k
MRR
est. monthly
#33
World rank
of 1,045,051
$0
Lifetime earnings
since 2020
198
Total jobs
completed
About
The CTO you bring on when you need senior technical leadership — not a full-time hire. I own your technology end to end: strategy, security, infrastructure, and the engineering to make it real.
Expert-Vetted on Upwork (top 1%), 190+ engagements. Clients span private equity and VC firms, family offices, HNWIs and businesses from small shops to enterprises.
- Strategy & roadmap — assess where you are, decide the right stack, own the plan to get there
- Cybersecurity consulting — Zero Trust access, threat protection, security architecture, and hardening across your stack
- Email security & deliverability — DMARC, BIMI, MTA-STS, anti-spoofing, Microsoft 365 & Google Workspace
- DevOps & automation — CI/CD, infrastructure, and workflow automation
- AI integration — practical AI and agent workflows built into how your business runs
- Network & cloud engineering — Cisco Meraki (VLANs, segmentation, full builds), cloud infrastructure, backup & disaster recovery
Certifications: Cisco CCNA & Meraki (CMNO/ECMS2) · Zscaler ZTCA · Proofpoint (Email Auth, Security Awareness, Ransomware) · Klaviyo Deliverability · EasyDMARC · Google Cloud · JAMF · MBA + B.S. Accounting
Rankings
Where John D. ranks by monthly revenue, worldwide, in United States, and in every Upwork skill it competes in.
World#33 / 1,045,051Top 0.01%
United States#18 / 136,300Top 0.01%Email Security#1 / 346Top 0.29%
Email Deliverability#2 / 2,298Top 0.09%
Information Security#1 / 4,351Top 0.02%
Zero Trust Architecture#1 / 182Top 0.55%
Network Security#1 / 2,216Top 0.05%
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Freelancer snapshot
On Upwork since2020
Rating100% Job Success
Skills tracked5
Skills
Email SecurityEmail DeliverabilityInformation SecurityZero Trust Architecture
John D. works mainly in Email Security, ranking top 0.29% of freelancers in that skill.
MRR trendSoon
Last 12 weeks
Coming soon
Competitors on the board
Who ranks just above and below by MRR across all freelancers.
This freelancer is #33 of 1,045,051 across all freelancers.
RankFreelancerMRRMRR trend
MRR benchmark
John D. earns more than 99.99% of all freelancers we track.
Top 0.01%
among all freelancers we track
$0–$500
32%
$500–$1k
12%
$1k–$2.5k
17%
$2.5k–$5k
13%
$5k–$10k
12%
$10k–$25k
10%
$25k–$50k
3%
$50k+
1%
John D.'s bracket · $38k
You32%$0–$500
You12%$500–$1k
You17%$1k–$2.5k
You13%$2.5k–$5k
You12%$5k–$10k
You10%$10k–$25k
You3%$25k–$50k
You1%$50k+
John D. earns an estimated $38k/mo. That's 25.9× the typical freelancer and more than 99.99% of everyone we track.
Freelancers with no recent MRR are excluded. Only the 151,012 freelancers with active monthly revenue are ranked here.
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MRR is an estimate from Upwork's public figures - not an Upwork-official number.