The story
Multi-venture founder. Full-stack operator.
I founded three companies before 23. Starting and founding companies wasn't the goal. I've founded three companies because I found three separate problems that needed solving, and had market fit.
My competitive edge is my ability to move across the full product or service stack without losing quality. I'm the one who writes the code. I write the copy. I run the paid ads. I pitch to investors. I manage the finances. I do it all.
Most people specialize in one of these. I wear all the hats, and have been for a while.
Recently, I've built Jobtoss, an AI Job Applicator, I'm running Copytier, and looking for the right founding-team role in the Bay Area. If you're building something at the frontier of AI and need someone who can ship across the stack, let's talk.
Experience
2025–present
Founder & CEO
CopytierBuilt and operate a marketing agency for California contractors. Created the full tech stack, brand, and client acquisition system. 3 clients, ~$72K+ revenue.
2025–2026
Co-founder & COO
MosarcAICo-founded an AI engineering company. Led operations, client delivery, and business development. Built custom AI workflow systems on Anthropic and OpenAI APIs.
2025–present
Founder
Jobtoss
Building an AI Chrome extension for automated job applications. Built solo on Claude Agent SDK. Live on Chrome Web Store.
2023–2024
PR Associate
East River PR
20+ press releases. 100% media placement rate. Journalist outreach, crisis communications, script writing.
2022–2024
Marketing & Dev Lead
Bender Engineering
Built 12 landing pages — increased traffic 5x. Managed warm outreach for 30-50 clients. Became youngest certified HERS Rater in the US.
2023
Business Development
D3 Sports Tech
Cold email campaign: 50 meetings booked in 2 weeks at 80% response rate.
Skills & tools
AI Engineering
Development
Marketing
Writing & PR
Read full letter of recommendationMarc brought an infectious enthusiasm to his role. Always ready to help where needed.