Capital
Markets, digital assets, and risk, written for judgment rather than hype. Educational only, never advice.
Explore Capital
Founder · Investor · Operator
Tyk Sullivan
Serial entrepreneur based in Tampa, Florida. Founder of Plutus Capital and NUMEN. Building companies since high school. 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 and has been building ever since: twenty plus ventures across apparel, marketing, e-commerce, and consumer products, most of them lessons. Today he is the founder and fund manager of Plutus Capital and the founder of NUMEN, a premium supplement brand.
Read the full biographyThe work
Four operating pillars.
Four lanes, one operating system: essays grounded in real companies and real decisions, written to stay useful long after they publish.
Companies
Pricing, sales, delegation, and the unglamorous mechanics of businesses that outlive motivation.
Explore CompaniesPerformance
Discipline as a system, not a mood. Training, sleep, and standards that decide whether the work gets done.
Explore PerformancePerspective
Brand, faith, technology, and the long view: what to build next and who you become while building it.
Explore PerspectiveCurrent 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: no proprietary blends, every ingredient disclosed at its actual dose, third-party tested. Launching 2026.
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.
The Last Word Was Grace
Facing execution, Paul closed his final letter with one word. Tyk Sullivan on grace, empty chairs, and the one ledger a scorekeeper has to stop keeping.
Get It in Writing
Handshake deals feel like trust and function like amnesia. Tyk Sullivan on why written agreements protect relationships, not just money.
The Entrepreneur Omelet
Eating well when busy is a decisions problem, not a discipline problem. Tyk Sullivan on the ninety-second omelet and guarding the door, not the plate.
Every essay lives in the Operating Notes, organized under Capital, Companies, Performance, and Perspective.
“Conviction, built into action.”
Tyk Sullivan