open for work · new york · hybrid or remote

hi, I'm Mariia. I build campaigns that make people come back.

Growth and lifecycle marketing for consumer brands. I run the whole idea: come up with the campaign, launch it, and find out honestly whether it worked. Then build the programme that keeps the customers it brought in.

Mariia Maslova
new york · open for work
worked with
MetaMaskLentaSamokatJust SaladSnorkel AIDeal Flow XchangeFluviSense
what came of it
+20%activation rate, from acquisition flows built with no channel or budget
+10–15%repeat purchase rate across a 600K-member base
+10%trial-to-paid conversion for a subscription product
3.9 → 4.3location rating, through review management and fixing the cause
25–30campaigns per quarter delivered across 3,200 stores
10+creator and community partnerships signed from 50+ sourced
1 week → 1 dayreporting turnaround, after rebuilding the process
10M+user product shipped lifecycle campaigns to, across 10+ markets

about

economics → retail → crypto

I studied economics because I wanted to understand how value is created, then spent five years watching that question play out on a shop floor and in a database.

I was the only marketer on a small team at a 150-location business, which meant the campaigns, the collaborations, the POS setup, the website and the app were all mine to run. Before that, 25 to 30 campaigns a quarter across a national chain, piloted in test stores before anything went wide.

The other half of my work is the unglamorous end: deciding who gets the message and who very much does not, building the flows that run while everyone sleeps, and finding the point in a customer's second month where they quietly stop caring. I am finishing an MSc in Financial Engineering and starting an MS in Marketing Analytics at Rutgers, and I write my own SQL.

5+ yrsCRM, lifecycle & retention
600K+member database owned
10M+user product shipped to
3,200store network supported
campaign concept & launchexperiment designA/B testingpilot-then-scalelifecycle journeyssegmentationretention & churnloyalty programmespartner & creator collabsemail · SMS · pushBrazeLTV & cohort analysisSQL

selected work

mapped to the lifecycle stage it moved
01 acquisition
Deal Flow Xchange

Built the community and creator programme from zero: no list, no messaging, no tooling. Worked prospects by hand, wrote the hooks, produced the assets, and reported what converted every week.

+20% activation50+ prospects → 10+ signed
02 onboarding
MetaMask

Lifecycle campaigns in Braze across email, push and in-app for a crypto wallet, adapted for more than ten markets. Used Amplitude to find where new holders dropped off, then rewrote the onboarding around what the data showed rather than what we assumed.

10M+ user ecosystem10+ markets
03 activation
FluviSense

Built go-to-market from nothing for an early-stage platform: positioning, partner outreach, the company's first webinar programme, and activation tracking by channel so the team could see which sources produced users who actually stayed.

first webinar programme launchedactivation tracked by channel
04 retention
Sever-Metropol

Owned CRM for a 600,000-member database across 150+ locations: email, SMS, push and direct mail. Built segmentation and reactivation, launched four trigger journeys (welcome, abandonment, win-back, post-purchase) as an always-on layer beside the promo calendar, and tested relentlessly on subject lines, offers and send times.

+10–15% repeat purchasereporting: 1 week → 1 day
05 loyalty
Lenta

Promotional and loyalty campaigns across a national chain with a multi-million member programme, from creative brief to in-store launch. Piloted new mechanics in a fifteen-store test group before anything went national.

25–30 campaigns / quarter3,200+ stores
06 advocacy
Just Salad

Loyalty and app-based offers executed on the floor rather than in a deck, plus reputation management across review platforms and a roster of local partners and ambassadors.

rating 3.9 → 4.3+10% store traffic

projects

work outside the day job
brand · Coca-Cola HBC Eurasia

A/B test simulator

A tool in Python and Tableau that simulates campaign experiments across open, click and purchase rates, with the output already shaped for a readout.

brand · Nike

Circular materials

Research into turning polyethylene waste into textile for sneaker production, looking at whether circular material systems hold up outside a pitch deck.

brand · Unilever

Loop

Sustainability programme work on reusable packaging: how a refill model reaches a shopper who has spent their whole life throwing the container away.

elsewhere

things I chased down on my own time
2025 — 2026
Women@Dior · LVMH
Selected for Christian Dior Couture's global mentorship programme. Developed and pitched Dream For Change, a project on sustainability education in fashion, from concept through to stakeholder buy-in. Finished in the top five, working in a team of four across three continents.
2024 · published
Economic Discrimination of Women in Professional Tennis
Independent econometric research on gender-based disparities in prize money, presented and published in the proceedings of the 11th Annual Conference on International Studies in Venice.
2023 — 2026
Climate & sustainability forums
Observer at COP29 and COP30, delegate at COY19 and the Student Energy Summit. Also spent time inside garment production in Lahore, studying how clothes are actually made.
study
Economics, analytics, financial engineering
BA Economics (HSE University). MSc Financial Engineering (WorldQuant University), finishing. MS Marketing Analytics (Rutgers), starting. SheFi Web3 programme.

what I'd bring

whether that's a role or a project

Campaigns that get tested, not just launched

Most campaigns ship and nobody agrees in advance what would count as working. I set the hypothesis first, pilot before scaling where that's possible, and come back with a straight answer, including when the answer is that it didn't work.

A retention layer that runs on its own

Welcome, abandonment, win-back, post-purchase. Built once, running in the background, catching the people your promotional calendar was never going to reach. This is usually the cheapest revenue in the business and the last thing anyone builds.

Numbers you can act on

Not a dashboard nobody opens. Which cohort is leaving, when, and what to do about it, in language the commercial team can use. I cut one reporting cycle from a week to a day because a report that arrives late isn't a report.

Someone who can carry the whole thing

At a 150-location business I was the only marketer on the team: concept, collaborations, events, POS setup, site and app, and the reporting on top. If your team is small, I'm used to owning a lot of surface area at once.

how I can help

freelance and project work
one week

Retention audit

You have customers leaving and no clear answer why. I find where and when.

  • cohort and churn analysis of your existing data
  • the specific point in the journey where people disengage
  • an audit of your current flows and what is missing
  • a prioritised list of what to fix first
start an audit
two to four weeks

Lifecycle build

You know you need onboarding, win-back and post-purchase flows. I build them.

  • segmentation framework across your audience tiers
  • trigger journeys built and live in your ESP
  • copy for every message, not just the brief
  • a testing plan and the reporting to read it
build the flows
ongoing or one-off

Something else

Loyalty programme design, a migration between platforms, or a CRM function that needs standing up from scratch.

  • shaped around what you actually have
  • works alongside an existing team or without one
talk it through

let's find out why they're leaving.

Bring the data, or bring the suspicion that something is wrong with it. Either works.