Marketing Science Blog
  • Home
  • About
  • Articles
  • Diary
  • Talks
Skip to content

About Me

About Carlos Trujillo: data scientist leading research at PyMC Labs, working on Bayesian causal inference, marketing mix modeling and budget optimization. Career history, education and skills.

About me · Venezuela → Chile → Estonia

A causal journey to Bayesian applications.

I'm a globe-trotting data professional with a passion for statistics and mathematics. From studying in Venezuela to collaborating with teams across continents, my journey has been a whirlwind of diverse experiences. I'm all about using data to transform businesses and solve complex problems.

Download CV ↗ Email me ↗

Leading research at PyMC Labs
Bayesian inference · Causal modeling

Portrait of Carlos Trujillo

2018 — now

Where I've worked

Follow the timeline. Click a dot to explore the role. The two branches from 2024 ran in parallel.

Scroll along the timeline →

2018 — 2019 · Santiago, Chile

Performance Manager

OYM Agencia

Managed digital marketing strategies for multiple brands, including analysis, optimization and investment across major platforms.

  • Managed analysis, optimization and investment in digital platforms including Facebook, Google Ads, and LinkedIn
  • Developed dashboards in Cyfe and DataStudio
  • Worked with brands including Jansport, BodyAndSoul, Ursus Trotter, and over 15 Chilean real estate companies

2019 — 2020 · Santiago, Chile

Data Analyst

Raya

Managed analysis and reporting for different agency brands including Huawei, MercadoLibre, Concha y Toro, and Walmart Chile.

  • Responsible for interpretation, analysis, and reporting for different agency brands
  • Managed Brandwatch, Google Analytics, Tag Manager and similar tools to determine guidelines for paid or organic campaigns
  • Developed categorization and prediction models in Python for process optimization and advanced variable analysis
  • Worked with brands including Huawei, MercadoLibre, Concha y Toro, and Walmart Chile

2020 — 2022 · Santiago, Chile

Head of Data Analytics

Omnicom Media Group

Led the data department of the Marketing Science LATAM group, developing value solutions and creating analytical services around the region.

Career progression

Head of Data Analytics October 2021 — January 2022
  • Led the data department of the Marketing Science LATAM group
  • Developed value solutions and created analytical services around the region
  • Utilized cloud technologies (AWS/GCP) to develop sustainable data structures
  • Maintained direct communication with Google and Facebook teams to develop use cases and service optimization
  • Created innovation proposals and fostered data culture to optimize operational processes
Data Analytics Manager July 2020 — October 2021
  • Managed analyst team and ensured correct delivery of dashboards on platforms such as Tableau, Power BI, and Data Studio
  • Developed architectures in GCP and managed databases in AWS
  • Maintained direct contact with OMG teams in Miami for data centralization and optimization of information flows
  • Utilized visualization tools, Python/R, SQL, and NoSQL for data pre-processing

2022 — 2024 · Tallinn, Estonia

Marketing Ads, Functional Analyst

Bolt

Relocated from Chile to Estonia, applying data analytics to determine the most effective strategies for optimizing acquisition marketing efforts based on profitability.

  • Applied data analytics to determine best strategies to optimize acquisition marketing efforts based on profitability across Europe and South Africa
  • Performed daily analysis using Python or R to run marketing mix, causal impact and budget allocation models
  • Estimated marketing effects around the world to achieve company goals

2024 — July 2026 · Tallinn, Estonia

Marketing Scientist

Wise

Data scientist for the Marketing team, dedicated to measuring and improving the region's global strategies through the use of data.

Career progression

Lead Data Scientist March 2025 — July 2026
  • Led the marketing science workstream, setting measurement strategy and priorities
  • Owned marketing mix modeling and incrementality testing in Python and PyMC
  • Partnered with marketing leadership to translate model outputs into budget decisions
Senior Marketing Scientist January 2024 — March 2025
  • Built and maintained Bayesian marketing mix models to measure channel contribution
  • Designed and analyzed quasi-experiments to quantify campaign incrementality
  • Delivered actionable, data-driven insights to regional marketing teams

2024 — present · Remote

Principal Data Scientist

PyMC Labs

Leading research, solving complex business problems through advanced Bayesian statistical methods.

  • Leading research initiatives across Bayesian methods and causal inference
  • Solving business problems through Bayesian Statistics
  • Contributing to open-source PyMC and PyMC-Marketing
  • Advising clients on Bayesian modeling, MMM and budget optimization

Foundations

Education

2020

Data Scientist

Acámica

Specialized in Data Science.

2015 — 2019

Bachelor's in Market Studies

Universidad José Antonio Páez

Specialized in Market Research.

Toolkit

What I work with

Professional skills

  • SEO/SEM Marketing
  • Project Management
  • Paid Social Media
  • Statistical Analysis
  • Causal Analysis
  • Lifetime Value Analysis

Languages

  • HTML
  • NoSQL
  • SQL
  • Python
  • Julia
  • R

Technologies

  • Google Cloud Platform
  • AWS
  • Docker
  • Git/GitHub
  • Jupyter
  • RStudio

Let's connect

Have a project in mind, or just want to talk about data?

Download CV (PDF) ↗ Email me ↗ Book 30 minutes ↗ Read the articles ↗
  • Connect with me:
  • © 2026 Carlos Trujillo
  • Edit this page
  • Report an issue