About Stellar
Built by a filmmaker who understands business.
John Markadakis came up in the trades — a machinist and a performance automotive technician who built 1,500-horsepower GT-Rs, then a stint in industrial sales moving forklift batteries to plants and warehouses — before he ever picked up a camera. He started Stellar Media Collective after watching premium home and trade businesses do exceptional work that was completely invisible online. The gap between real-world quality and digital presentation was costing them clients, margin, and growth — and nobody was solving the whole problem at once.
The turning point came in an unlikely place — the professional speaking and personal-development world. For years John filmed some of the highest-paid presenters alive: people whose entire livelihood is how they present themselves. His job was to listen to brilliant, highly educated experts and figure out how to make a room choose them — pure conversion work. It worked. He helped speakers land $40,000 engagements.
That’s a different craft than filming. Most videographers point a camera and hope; John had learned to engineer what actually makes someone choose — in the one industry where presentation is the product. Pair that with the visual discipline of high-end real estate, bring it to trades doing $80,000 work that looks like $8,000 online, and you get the whole Stellar approach: the conversion instinct of the speaking world, the craft of real estate, and the credibility of someone who’s actually worked on the tools. Most videographers can’t think strategically; most consultants can’t film. John does both.
John Markadakis · Founder · Sarasota, FL
“Most businesses paying for content are paying for content that doesn’t convert. Most paying for leads don’t have a site worth sending leads to. The system that works treats presence, conversion, and traffic as one problem — not three.”
10+
Years behind the camera
60+
Films for one builder
7 years
Our longest partnership
5.0
Stars on Google
The Background
The thinking behind the work.
What ties that path together is an obsession with how premium buyers actually decide — sales psychology, brand narrative, offer design — ideas John studied for years and built into how Stellar presents every client. Most marketing treats the film, the website, and the ads as three separate jobs; he’s watched a great film fail to rescue a weak story, and a sharp message die on a site that looks like everyone else’s. So Stellar runs them as one system. He gets your world because he’s worked in it — and he knows how to make a premium buyer choose you.
How we're built
A system we own. A bench we trust.
The engine · POROS
Every client runs on POROS — the brand-presence engine we built in-house. It scores how you show up to a premium buyer, plans the work, and keeps production on rails. Your results ride on a system, not on catching us on a good day — and no one else in your market has it.
How POROS works →The web partner · Dinko Design
We don't pretend to be a web shop — we partner with one. Dinko Design is an award-winning Sarasota studio with 20+ years building sites for premium home and trade businesses. We bring the message and the films; Dinko engineers the site that turns them into calls.
How we do websites →Who we work with
A boutique, not a factory.
John is on every shoot and reviews every audit personally — which means we take a limited number of clients at a time, and we're picky about fit. We're built for premium trades and home builders who are proud of the craft, willing to show up on camera, and want a partner who stays — not a vendor who vanishes after the invoice. If you compete on being the cheapest, we're honestly not your people.
See what working with us looks like →