Digital Marketing Engineer & Growth Lab. Phoenix, AZ
I don't manage
your business.
I engineer
your growth.
Done by Di is a Phoenix-based Digital Marketing Growth Lab founded by Mary Deanne Tabios. Built for business owners who need more than a social media poster. We build the systems, strategy, and online presence that gets you found, gets you leads, and scales without you babysitting it.
About the Founder
"I don't run campaigns. I engineer the digital infrastructure that makes businesses grow. And keep growing."
Mary Deanne Tabios, FounderMeet Mary Deanne
The engineer behind the growth
Mary Deanne Tabios is the founder of Done by Di and a Digital Marketing Engineer with 9+ years of hands-on experience building the systems, strategy, and online presence behind growing businesses. From solo entrepreneurs to large organizations across healthcare, real estate, e-commerce, and more.
She started as a VA with no degree. Figured it out by building, testing, and optimizing. She has managed social pages with over a million followers, secured $22M in grant funding, and trained 350+ virtual assistants worldwide. When she takes on your business, she treats it like her own.
Before Done by Di, she worked across 3 publishing companies and has personally helped 40+ authors take their books from manuscript to print, formatting, KDP setup, and production.
Founder, AI DNA Certification Board
The first-ever certification board built exclusively for virtual assistants in AI command.
US-Registered · Verifiable Through a Public Registry
The Short Answer
What is Done by Di?
Done by Di is a digital marketing and growth firm based in Phoenix, Arizona, founded by Mary Deanne Tabios. It combines search and AI search visibility, marketing execution, systems and automation, and trained virtual assistant placement.
Clients are typically owner led businesses that need to be found online and need the owner out of the daily delivery work. Done by Di serves clients in Phoenix and across the United States, and works with international clients remotely.
What We Do
Built to execute. Engineered to scale.
Everything falls into three jobs. Get found, get leads, and get out of the way. From strategy to systems to content, we handle the work that keeps you stuck so you can focus on what only you can do.
Get Found
SEO, AEO & GEO-AI Optimization
Rank on Google and get cited by AI tools like ChatGPT and Perplexity. We engineer your digital presence for both traditional and AI-powered search.
Get Leads
Digital Marketing Strategy
Social media management, content creation, email marketing, and paid ads. All built around a strategy that actually maps to your business goals.
Get Out of the Way
VA Placement & Supervision
Pre-trained, vetted virtual assistants matched to your business, with Mary Deanne staying on as supervisor so you are never managing alone.
Get Out of the Way
Marketing Systems & Automation
Workflows, SOPs, and automation built to run without you. We engineer the backend so your marketing keeps moving even when you don't.
Get Leads
Website & Funnel Engineering
Conversion-focused websites and landing pages on Duda and WordPress. Built to turn traffic into leads, not just impressions.
Get Leads
Launch & Growth Engineering
Planning, execution, and accountability for product launches, rebrands, and pivots, with someone who has built and scaled before.
Client Results
Real outcomes for real businesses
We measure success by what changes in our clients' businesses and lives. Over 100 clients worldwide across solo entrepreneurs, small businesses, and large organizations.
In grant funding secured for a US-based investment client through operational and strategic management
VA members trained and placed worldwide through a structured program since 2021, building a global pool of pre-trained talent
Clients served worldwide: solo entrepreneurs, growing small businesses, and large organizations across multiple industries
What Clients Say
The words that matter most to us
The work ethic, quality, and professionalism of the team Deanne placed with us has been outstanding. We would hire them again and recommend them without hesitation.
Before working with Done by Di, I was doing everything myself and burning out fast. Now I have systems, support, and actual time to think strategically about my business.
Deanne doesn't just deliver tasks. She understands the vision and builds toward it. She's the engineer every serious entrepreneur needs in their corner.
How We Work
Engineered. Supervised. Scalable.
Discovery Call
We learn your business, your pain points, and what support actually looks like for you.
Strategy & Match
We map out the right services or VA match based on your goals and working style.
Build & Execute
We hit the ground running. You get updates, not chaos. Everything is documented.
Optimize & Scale
We check in, adjust, and engineer growth as your business evolves.
Ready to scale but on a limited budget?
hello@donebydi.com
602-623-5977
Phoenix, AZ
Independently verified
Rated 4.9 out of 5 across more than 30 client reviews
Every review on that profile was left by a paying client on PeoplePerHour, where the platform verifies that work was purchased and delivered before a review can be posted. The rating is not collected by me and it cannot be edited by me.
Clients hire me there for delegation planning, digital marketing execution, and assistant placement. Businesses come to me when the owner has become the bottleneck, and the work is to decide what should leave their hands, in what order, and then to run it.
The full review history, the project titles, and the dates are public. Read them on the profile rather than taking my word for the number.
Read the verified reviews on PeoplePerHourProfile: Mary Deanne on PeoplePerHour