# MasteringAI

> MasteringAI (masteringai.io) helps companies actually implement AI, not just talk about it. Two sides to the business: (1) B2B services — AI strategy, adoption, governance and cost-reduction engagements for executives and teams, plus custom AI agent builds; (2) training — self-paced and live courses teaching non-technical professionals to build with ChatGPT, Claude, and Claude Code. Founded by Mark Fershteyn, a serial entrepreneur who raised $8M+ and shipped 10+ products without writing code. Based in New York, working with clients globally. Last updated 2026-08-07.

## AI Consulting & Implementation Services

- [AI Training Solutions](https://www.masteringai.io/solutions): Index of the seven AI training and build offerings below, from a single workshop to a full company rollout.
- [Corporate AI Training](https://www.masteringai.io/corporate-ai-training): One program across several teams, built on your real work. Your people leave using AI, not just knowing about it. For: A company rolling AI out across departments. 25–500 people, From $8,000.
- [AI Training for Employees](https://www.masteringai.io/ai-training-for-employees): Everyone starts where they are. A shared baseline, then role tracks, so nobody is lost and nobody is bored. For: HR or People Ops upskilling everyone. 10–200+ employees, $150–600 per seat.
- [AI Training for Teams](https://www.masteringai.io/ai-training-for-teams): A single team rebuilds its shared workflow with AI. Everyone leaves with the same tools and the same habits. For: One department going deep together. 5–30 people, From $750 per person.
- [AI Sales Team Training](https://www.masteringai.io/ai-sales-team-training): Reps practice on live deals. Pre-call research, role play on your real objections, follow-ups, and proposals. For: Sales leaders who need pipeline to move. 5–100 reps, $10K–$30K.
- [AI Workshops for Teams](https://www.masteringai.io/ai-workshops-for-teams): Pick your topics and get a hands-on session. Your team leaves having built something real that day. For: Teams who want one focused session. 5–50 people, Half or full day.
- [ChatGPT Training](https://www.masteringai.io/chatgpt-training): Prompting, custom GPTs, and the workflows that save real hours. Start on your own or bring us in for the team. For: Individuals and teams starting with ChatGPT. 1 person to a whole team, From $35.
- [AI Agent Development Services](https://www.masteringai.io/ai-agent-development-services): We build the agent instead of teaching your team to. Working software in week two, and you own the code. For: Teams who want the tool, not the training. One agent to a full system, $8K–$120K.
- [AI Adoption OS](https://www.masteringai.io/ai-adoption-os): From shallow individual use to 80%+ of your team building working agents in 90 days, with a measurable hours-saved baseline per role. Built for: COO, Head of L&D, VP Operations, Chief of Staff.
- [AI Cost Reduction OS](https://www.masteringai.io/ai-cost-reduction-os): $2M+ in annualized opex reduction in 6 months by automating workflows (not eliminating headcount), with quarterly milestones your board and investors can underwrite. Built for: CFO, COO, CEO, Chief of Staff.
- [AI Strategy OS](https://www.masteringai.io/ai-strategy-os): A defensible AI strategy with governance framework, ROI scorecard, and 90-day execution plan — delivered in 30 days, written for the people who sign your budget. Built for: CEO, CFO, COO, Newly-hired SVP/VP of AI.
- [AI Operator OS](https://www.masteringai.io/ai-operator-os): From 10–15% AI capacity to 70–80% in 90 days. Production-ready systems out of every session. Your team will think you hired a developer. Built for: CEO, Founder, C-suite executive, Cohort buyer (COO/Head of L&D for 5–10 execs).
- [AI Governance OS](https://www.masteringai.io/ai-governance-os): AUP signed, agent registry live, spend controls in place, AI Council chartered — in 30 days. Plus a quarterly governance retainer so your guardrails evolve as fast as your team's usage. Built for: CTO, CISO, General Counsel, COO, Head of IT.
- [AI Implementation](https://www.masteringai.io/ai-implementation): Done-for-you: we audit, build, and scale custom AI workflows for GTM, sales, and marketing teams.
- [Revenue OS](https://www.masteringai.io/revenue-os): Bespoke AI operating system unifying the revenue stack (CRM, Slack, call recording, billing) with a reasoning layer and audit logs. 6-8 weeks.
- [Executive AI Advisory](https://www.masteringai.io/executive-ai-advisory): Retainer for founders and CXOs: weekly strategy sessions plus async support. Capped at 5 executives.
- [AI Optimization for Teams](https://www.masteringai.io/ai-training-for-teams): Customized ChatGPT and Claude training for GTM, sales, and marketing teams. $750 per person.
- [AI Workshops for Teams](https://www.masteringai.io/ai-workshops-for-teams): Hands-on half-day or full-day AI workshops, onsite or virtual. Pick from six topics: ChatGPT and AI essentials, Claude and Claude Code, building internal tools, agents and automation, AI security, AI governance. Teams of 5+. Priced on a scoping call.
- [AI Consulting](https://www.masteringai.io/ai-consulting): Consulting for leadership teams with named written deliverables. Four engagement shapes: single-day strategy intensive, AI readiness and opportunity audit, multi-week engagement, fractional advisory. Priced on a scoping call.
- [AI Employees](https://www.masteringai.io/ai-employees): Done-for-you AI agents run as a managed service — lead follow-up, quoting, proposals, reporting, support. $7,500/month.
- [Website in a Week](https://www.masteringai.io/website-in-a-week): Done-for-you business website live in 7 days. $1,995 launch plus $297/month.

## Free Diagnostics & Assessments

- [AI Automation Opportunity Audit](https://www.masteringai.io/ai-audit): Free 10-question audit returning an automation opportunity score, ROI estimate, and shareable report.
- [AI Readiness Assessment](https://www.masteringai.io/ai-assessment): Free assessment scoring AI readiness across 7 dimensions, with a prescriptive implementation roadmap.
- [AI Blindspot](https://www.masteringai.io/ai-blindspot): Free 30-second audit estimating how much time AI could save you weekly, by role.

## Courses & Training

- [ChatGPT Training](https://www.masteringai.io/chatgpt-training): ChatGPT training for beginners and teams. Covers prompting fundamentals, custom GPTs, research and analysis, working with data, and when to reach for Claude instead. Self-paced from $35, or a team workshop.
- [The Claude Cowork Course](https://www.masteringai.io/claude-cowork-course): Do the work of 10 people. Without writing code. 2 Live Classes, 4 hours. For owners, executives, one-person departments. $795 ($695 through Aug 12).
- [AI Essentials](https://www.masteringai.io/ai-essentials-for-business-leaders): Your foundation for everything AI Self-Paced + Weekly Office Hours, 6 hours. For anyone new to ai. $495 (Limited time).
- [AI Builders Bootcamp](https://www.masteringai.io/ai-builders-bootcamp): Master Claude Code. Build anything. In under 12 hours. Self-Paced + Weekly Office Hours, 12 hours. For builders & founders. $795 (Limited time).
- [The AI Agent Quickstart](https://www.masteringai.io/ai-agent-quickstart): 15 agents. Installed tonight. Working by morning. Instant Access, ~1 hour. For anyone — no code needed. $35 (Launch price).
- [AI Optimization for Teams](https://www.masteringai.io/ai-training-for-teams): Make every employee 2x better with AI Live, Custom. For all teams. Custom.
- [Private AI Tutoring](https://www.masteringai.io/executive-ai-advisory): 1:1 AI tutoring tailored to your goals 1:1 Tutoring, Custom. For executives & founders. Custom.
- [All Courses](https://www.masteringai.io/courses): Browse and compare every program by format, price, duration, and skill level.

## Comparisons & Buying Guides

- [Best Vibe Coding Tools Compared (2026)](https://www.masteringai.io/best-vibe-coding-tools): Honest comparison of ChatGPT, Lovable, Replit, Cursor, and Claude Code. Find the right AI coding tool for your skill level and project needs. Verdict: Claude Code for serious builders. Lovable for quick prototypes.
- [Lovable vs Claude Code: The Honest Comparison](https://www.masteringai.io/lovable-vs-claude-code): Compare ease of use, cost, capabilities, and limitations. Learn when to switch from Lovable to Claude Code and how to migrate. Verdict: Start with Lovable, graduate to Claude Code when you hit the 90% wall.
- [Claude Code vs Cursor: Which AI Tool for Non-Developers?](https://www.masteringai.io/claude-code-vs-cursor): Terminal vs IDE: compare Claude Code and Cursor for non-technical users. Learn which AI coding tool matches your working style. Verdict: Claude Code for autonomous building. Cursor for visual navigation.
- [Outgrown Lovable? What To Do Next](https://www.masteringai.io/outgrown-lovable): Bug loops, integration failures, credit drain. Recognize the signs you've outgrown Lovable and learn your options including Claude Code migration. Verdict: If you're stuck for days, rebuild in Claude Code — it's faster than fixing.
- [AI Course vs Self-Learning: Make an Informed Decision](https://www.masteringai.io/ai-course-vs-self-learning): Real stories of $3,000 API bills and months wasted. Compare self-teaching vs structured training for ChatGPT, Claude Code, and vibe coding. Verdict: Structured training converts 3-6 months of self-learning into 2-4 weeks.

## Pillar Content

- [What is Claude Code?](https://www.masteringai.io/claude-code): Complete guide to Claude Code for non-developers — setup, prompts, plan mode, and skills explained.
- [What is Vibe Coding?](https://www.masteringai.io/vibe-coding): How to build software by describing what you want in plain English. No programming required.
- [State of Vibe Coding 2026](https://www.masteringai.io/state-of-vibe-coding-2026): Original statistics report on vibe coding market size, adoption, and trends.
- [Solo Founder Revolution 2026](https://www.masteringai.io/solo-founder-revolution): Original research: 41.8 million US solopreneurs contributing $1.3 trillion, and how AI enables the one-person company.

## Guides (17 free, in-depth)

- [AI Policy Template: The 12 Sections You Need](https://www.masteringai.io/guides/ai-policy-template): A free AI policy template broken into the 12 sections every workplace AI policy needs, with sample clause language for each and the mistake companies make. 11 min read. Updated 2026-07-28.
- [25 Claude Cowork Prompts That Actually Work (Copy & Paste)](https://www.masteringai.io/guides/25-claude-cowork-prompts): 25 ready-to-use Claude Cowork prompts across 5 categories: file management, research, marketing, operations, and career. Copy, paste, and watch Cowork execute. 18 min read, beginner level. Updated 2026-03-10.
- [10 Claude Cowork Best Practices (From 100+ Hours of Testing)](https://www.masteringai.io/guides/claude-cowork-best-practices): 10 best practices that separate great Claude Cowork results from mediocre ones. Copy-paste examples for each practice. No fluff, just what works. 8 min read, beginner level. Updated 2026-03-10.
- [Claude Cowork Complete Setup Guide: From Install to Automation (2026)](https://www.masteringai.io/guides/claude-cowork-complete-setup-guide): Set up Claude Cowork in 10 minutes. Step-by-step guide covering installation, folder structure, context files, Global Instructions, plugins, connectors, and scheduled tasks. 20 min read, beginner level. Updated 2026-03-10.
- [Live Masterclass: Getting Started with Claude Cowork](https://www.masteringai.io/guides/claude-cowork-live-workshop): Live workshop recap: Learn Claude Cowork from scratch - skills as job descriptions, the What-How-Do-Don't prompting framework, building a Weekly Status Report skill, connectors (MCPs), and security best practices. Hosted by Mark Fershteyn with Cynthia Vazquez. 18 min read, beginner level. Updated 2026-03-11.
- [Live Masterclass: How to Build AI Agents with Claude Code](https://www.masteringai.io/guides/build-ai-agents-claude-code): Watch a live walkthrough of building real AI agents with Claude Code - a company intelligence agent, content writing agent, and dashboard - all without writing code. Copy-paste prompts included. 20 min read, beginner level. Updated 2026-02-22.
- [Claude Cowork vs Claude Code: Which to Use in 2026](https://www.masteringai.io/guides/claude-vs-cowork-vs-code-beginners-guide): Claude Cowork vs Claude Code, settled. Cowork works the files you already have; Code builds things that run on their own. Decision tree, feature table, pricing. 15 min read, beginner level. Updated 2026-07-28.
- [How to Create Google Analytics Reports with Claude Code (No Marketer Required)](https://www.masteringai.io/guides/claude-code-google-analytics-reports): Step-by-step guide to building custom Google Analytics dashboards, automating reports, and extracting insights using Claude Code and Chrome. No technical skills needed. 15 min read, beginner level. Updated 2026-01-19.
- [How to Edit Videos with Claude Code (No Video Editing Software Required)](https://www.masteringai.io/guides/claude-code-video-editing): Turn massive screen recordings into web-ready videos in minutes. Trim, compress, and convert videos using plain English commands-no FFmpeg knowledge needed. 18 min read, beginner level. Updated 2026-01-19.
- [Claude Code Agents, Skills, Hooks, and MCP Explained](https://www.masteringai.io/guides/claude-code-agents-explained): Understand Claude Code agents, subagents, skills, hooks, and MCP. Learn when to use each feature to get better results with less effort. 15 min read, advanced level. Updated 2026-01-11.
- [What is Claude Code and Why Is Everyone Freaking Out About It?](https://www.masteringai.io/guides/what-is-claude-code): What is Claude Code? A Google engineer admitted it did in 1 hour what her team took a year to build. Here's what's actually happening—and why you don't need to be technical to use it. 12 min read. Updated 2026-01-14.
- [Claude Code Skills: The Complete Setup and Creation Guide](https://www.masteringai.io/guides/claude-code-skills-setup): Claude Code skills, set up end to end. Install pre-built skills, then write your own custom workflows with SKILL.md. Hands-on, no prior setup assumed. 28 min read, beginner level. Updated 2026-01-10.
- [Claude Code Context Management: How to Get Better Results](https://www.masteringai.io/guides/claude-code-context-management): Fix inconsistent Claude Code results with proper context management. Learn when to use /clear, /compact, and session handoffs for better AI output. 12 min read, intermediate level. Updated 2026-01-09.
- [Claude Code Plan Mode: Complete Tutorial + Keyboard Shortcuts (2026)](https://www.masteringai.io/guides/claude-code-plan-mode-guide): Complete Claude Code plan mode tutorial. Learn how to toggle plan mode with Shift+Tab, use /plan, and get dramatically better results. Step-by-step guide with keyboard shortcuts. 10 min read, beginner level. Updated 2026-01-08.
- [Claude Code Use Cases: 50+ Non-Coding Examples](https://www.masteringai.io/guides/claude-code-use-cases): Claude Code use cases that have nothing to do with code. 50+ real examples—taxes, research, marketing, file organization—curated from Reddit, LinkedIn & X. 25 min read, beginner level. Updated 2026-01-10.
- [Claude Code Tutorial for Beginners (No Coding Required) - Complete 2026 Guide](https://www.masteringai.io/guides/claude-code-tutorial): Complete Claude Code tutorial for beginners and non-coders. Learn prompts, CLAUDE.md, plan mode, skills, and agents. No coding experience required. Updated for 2026. 24 min read, beginner level. Updated 2026-01-14.
- [How to Set Up Claude Code on Mac (2026 Guide)](https://www.masteringai.io/guides/claude-code-setup-mac): The easiest Claude Code Mac setup tutorial. Step-by-step from download to first prompt - works on M1, M2 & M3 chips. No coding needed. 12 min read, beginner level. Updated 2026-01-07.

## Free Resources

- [AI Acceptable Use Policy Generator](https://www.masteringai.io/ai-acceptable-use-policy-generator): Free tool that builds a tailored AI acceptable use policy from 10 questions about industry, size, approved tools, data sensitivity, and jurisdiction. Covers EU AI Act and GDPR clauses when the EU is selected. Readable in full on the page without signup.
- [AI Policy Template — What to Include](https://www.masteringai.io/guides/ai-policy-template): The 12 sections a workplace AI policy needs, each with sample clause language and the common mistake. Free, ungated.
- [AI Acceptable Use Policy Template (PDF)](https://www.masteringai.io/ai-acceptable-use-policy-template): Free ready-to-edit AI acceptable use policy template covering approved tools, data handling, human review, disclosure, IP, and security.
- [Claude Code Cheat Sheet](https://www.masteringai.io/claude-code-cheat-sheet): Free PDF reference for Claude Code commands and workflows.
- [Claude Code Survival Kit](https://www.masteringai.io/claude-code-survival-kit): Free PDF covering the setup and habits that keep Claude Code sessions productive.
- [10 Claude Code Mistakes to Avoid](https://www.masteringai.io/claude-code-mistakes): Free PDF of the most common Claude Code mistakes and how to avoid them.
- [25 Claude Cowork Prompts](https://www.masteringai.io/cowork-prompts): Free PDF of 25 copy-paste Claude Cowork prompts that work.
- [Startup Perks Directory](https://www.masteringai.io/perks): Free directory of startup perks and software credits worth $10M+.
- [Resources Hub](https://www.masteringai.io/resources): Free AI tools and resources for builders.

## Directories & Reference

- [Use Cases](https://www.masteringai.io/uses): Real AI use cases organized by business function and by role (executives, consultants, marketers, founders).
- [Skills Library](https://www.masteringai.io/skills): Ready-to-use Claude Code skills with install-ready setup instructions.
- [Inspiration Gallery](https://www.masteringai.io/inspiration): Real projects built with Claude Code, each with the exact prompt to recreate it.
- [AI Builder's Library](https://www.masteringai.io/library): Curated AI content from across the web with commentary — tweets, videos, posts, articles.

## Proof & Company

- [Case Studies](https://www.masteringai.io/case-studies): Documented client results.
- [About Mark Fershteyn](https://www.masteringai.io/about): Founder of MasteringAI. Raised $8M+ and shipped 10+ products without writing code. Former CEO of Recapped.io and VP of Admissions at App Academy.
- [Community](https://www.masteringai.io/community): Application-gated community for people who manage AI agents.

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**Company:** Delusional, Inc. (operating as MasteringAI)
**Website:** https://www.masteringai.io
**Founder:** Mark Fershteyn — Founder & CEO
**Location:** New York, NY. Serving clients globally, remote and on-site.
**What we sell:** AI consulting and implementation engagements for companies; AI training courses and workshops for individuals and teams.
**Who we serve:** Executives, operators, and non-technical professionals at mid-market and enterprise companies — plus individual founders and career-changers who want to build with AI.
**What makes us different:** We ship working systems, not strategy decks. Every engagement ends with something running in production, and every course ends with the student having built something real.
**Content counts (live):** 17 free guides, 6 programs, 5 consulting packages, 5 comparisons.