Capital
Markets, digital assets, risk, and long-horizon decision-making. Educational only — never advice.
Founder · Investor · Operator
Tyk Sullivan
Serial entrepreneur based in Tampa, Florida. Founder of Plutus Capital and NUMEN. Building companies since high school — and writing about business, brand, markets, and the discipline behind durable outcomes.
Tampa, Florida
Plutus Capital
NUMEN
Canonical profile
Tyk Sullivan is a Tampa-based serial entrepreneur, founder, and operator.
He started his first company as a high-school student in Madison, Wisconsin — a lawn care business that grew to more than 100 clients — and has been building ever since. Today he is the founder of Plutus Capital and NUMEN, a premium supplement brand, with earlier ventures spanning apparel, marketing, e-commerce, and consumer products under TYK INC.
Read the full biographyThe work
Four operating pillars.
A focused body of writing grounded in real companies and real decisions — not generic content produced to fill a feed.
Companies
Entrepreneurship, operations, sales, incentives, and building businesses that survive their founder’s moods.
Performance
Training, discipline, systems, and the personal operating requirements of ambitious work.
Perspective
Brand, marketing, technology, AI, and the ideas shaping what gets built next.
Current ventures
Companies built with intent.
What each company does, Tyk Sullivan’s role, and where official information lives.
Plutus Capital
Founder
A private investment firm in Tampa, Florida, focused on financial markets and digital assets. Not offered to the general public through this website.
Company profileNUMEN
Founder
A premium supplement brand built on ingredient transparency, formulation quality, and performance — being built in public, from formulation up.
Company profileLatest insights
Original thinking, written clearly.
Each article states its thesis early, documents what it claims, and is built to stay useful beyond the day it publishes.
What a Push Mower in a Lincoln LS Taught Me About Business
My first company grew past 100 clients before I finished high school. The lessons still run everything I build.
Why I’m Building NUMEN
The supplement industry has a trust problem. Why I’m building a premium brand anyway — and the standard it will be held to.
Discipline Is a System, Not a Feeling
Motivation expires. Systems don’t. The operating structure behind consistent output.
“Conviction, built into action.”
Tyk Sullivan