Available for projects

Data that
tells stories,
drives action.

Problem Solving Data Analyst specializing in transforming complex datasets into clear strategic insights. From messy CSVs to executive dashboards.

6+
Years exp.
40+
Projects
$12M
Revenue unlocked
Q4 Revenue Forecast ↑ 18.4%
Key Metrics — Oct 2024
94.2%
Retention
+2.1%
3.4×
LTV/CAC
+0.3×
8.7s
Avg Load
+1.2s
DAU Trend — 12 weeks↑ Healthy growth
Stack
Python · SQL · Tableau · dbt · Pandas · BigQuery · Looker · Spark · Airflow · Scikit-learn · R · Python · SQL · Tableau · dbt · Pandas · BigQuery · Looker · Spark · Airflow · Scikit-learn · R ·
01 / Projects

Work that moved
the needle

All projects →
Analytics · SaaS

Product-Led Growth Dashboard

Designed a real-time PLG analytics suite tracking activation, expansion, and contraction MRR. Identified 3 key "aha moments" that correlate 4× with conversion. Directly informed product roadmap.

SQL dbt Tableau
Data Engineering · Retail

Inventory Demand Forecasting

Time-series forecasting model (Prophet + external signals) that reduced stockouts by 34% and cut excess inventory costs by $1.8M annually across 200 SKUs.

Python Prophet Snowflake
A/B Testing · Fintech

Experimentation Platform Redesign

Rebuilt the A/B testing infrastructure to support multi-armed bandits and Bayesian stopping rules. Increased experiment throughput by 3× while maintaining statistical rigor.

Python Statsmodels R
BI · Healthcare

Clinical Operations Intelligence

Executive-facing operational analytics covering patient flow, resource utilization, and outcome metrics. Reduced reporting cycle from 2 weeks to real-time for 6 hospital sites.

Power BI SQL Server Python
02 / Process

How I work

01
Discover

Deep dive into business context, data landscape, and stakeholder needs. Define success metrics before touching any data.

02
Model

Clean, transform, and model data with dbt and SQL. Build a single source of truth that the whole org can trust.

03
Analyse

Statistical analysis, cohort studies, and ML where needed. Every finding is reproducible and documented.

04
Deliver

Clear narrative dashboards and presentations. Insights tied to actions, not just observations.

03 / Stack

Tools & technologies

A carefully curated stack built from 6+ years of production analytics work. Every tool earns its place through reliability and impact — not hype.

Languages
Python SQL
Data Warehouses
BigQuery Snowflake Redshift DuckDB
Transformation & Orchestration
dbt Airflow Spark Fivetran Airbyte
Visualisation
Tableau Looker Power BI Metabase D3.js
Machine Learning
Scikit-learn XGBoost Prophet PyTorch MLflow
04 / Testimonials

What clients say

Mara completely transformed how we think about data. She didn't just build dashboards — she changed our decision-making culture. The churn model alone paid for two years of her contract.

JL
Jamie Lin
CPO · Cartify

What sets Mara apart is her ability to speak both data and business. She'd walk into a board meeting with a two-slide summary that drove immediate action. Rare skill.

DP
Dev Patel
CEO · Meridian Health

We brought Mara in for a 3-month engagement and extended it to 18 months. The demand forecasting system she built is still our competitive edge in inventory management.

SR
Sofia Reyes
VP Ops · NovaBrand
05 / Contact

Let's build something
meaningful.

Currently accepting new projects for Q1 2025. If you have data that needs to become decisions, let's talk.