Keila Banza
Senior Data Scientist
Applied Machine Learning & Strategic Analytics
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About Me
About Me
I’m Keila, a Senior Data Scientist in Calgary. I work at the intersection of applied machine learning, statistical modelling and business strategy—turning open-ended questions into analyses that help people gain insights and decide what to do next.
At ATB Financial, I investigate the relationships between client experience, growth, value and retention—combining statistical analysis with business understanding to inform decisions. My work spans the full analytical process: asking the right questions, building reliable datasets, developing models and discussing what the findings mean with business partners.
I’m drawn to the part of data science where technical detail meets human understanding. I enjoy untangling a complex problem, making the reasoning clear and hearing the perspectives that the data alone can’t provide.
How I Solve Problems
How I Solve Problems
Understand the Problem
Understand the Problem
Start with the decision. I listen to stakeholders, clarify what we need to learn and define the scope before choosing a method.
Build the Evidence
Build the Evidence
Create a reliable foundation. I prepare data and develop features in SQL, Python, R and BigQuery, then choose statistical or machine-learning methods that fit the question.
Interpret the Findings
Interpret the Findings
Make the reasoning clear. I validate results, explore model behaviour and explain the patterns, limitations and uncertainty that matter for the decision.
Turn Insight Into Action
Turn Insight Into Action
Connect analysis with next steps. I work with business partners to weigh options, prioritize opportunities and plan how future impact could be measured.
Professional Experience
Professional Experience
ATB Financial
ATB Financial
CALGARY · MAY 2023–PRESENT
Senior Data Scientist, CX Analytics
Senior Data Scientist, CX Analytics
May 2026–Present · Promoted from Data Scientist
I lead analytical investigations into client value, growth and experience, connecting problem discovery, statisticalmodelling and stakeholder collaboration to develop actionable recommendations.
Client growth & journeys
Client growth & journeys
Using survival analysis, time-to-value modelling and cohort profiling, I explored long-term growth opportunities and client journeys into wealth management. I worked with retail banking and wealth teams to prioritize opportunities for future value.
Retention & client feedback
Retention & client feedback
I’m building the methodological foundation for a planned driver-analysis initiative. Baseline datasets, benchmark models and churn analyses help explore relationships among feedback, experience, retention and lifetime value.
Digital experience
Digital experience
I designed a framework to explore how platform disruptions relate to client experience. Exploratory features and data-quality findings established a foundation for future modelling as the source data matures.
ATB Financial
ATB Financial
Data Scientist, Client Metrics & Analytics
Data Scientist, Client Metrics & Analytics
May 2023–May 2026 · Calgary
This role took me from enterprise data development into leading analyses across retail banking, business banking and Capital Markets.
Understanding client experience
Understanding client experience
I used regression, panel analysis and explainable machine learning to examine relationships among experience, client outcomes and profitability. NLP and clustering helped uncover patterns in client feedback.
Informing business decisions
Informing business decisions
My service-model analysis helped secure executive alignment to expand business-client analytics. In Capital Markets, I identified measurement gaps and proposed a weighted approach to better represent clients whose perspectives were missing.
Building tools others can use
Building tools others can use
I developed two enterprise client data assets with SQL and BigQuery, supported by testing and documentation. I also created a project-planning framework adopted by teammates and led discovery, scoping and findings discussions with business partners.
Infosys
Infosys
Associate → Senior Associate · June 2021–May 2023
I built my enterprise technology foundations through Python, Agile and ServiceNow training, earned a developer certification and supported IT-service testing. I was promoted to Senior Associate in January 2023.
University of Calgary
University of Calgary
Research Assistant · June–December 2020
I prepared and analyzed more than 600,000 healthcare records using R, text mining and machine-learning methods. The work was supported by an Alberta Innovates Summer Research Studentship Award.
SiMPACT Strategy Group
SiMPACT Strategy Group
Data Management Intern · June–August 2019
I developed client-reporting visualizations, facilitated Salesforce requirements discussions and documented CRM and Excel decision workflows—an early introduction to connecting data with people’s needs.
Education
Education
Master of Data Science and Analytics
University of Calgary · 2023
Bachelor of Commerce, Business Analytics
Haskayne School of Business, University of Calgary · 2020
Resume & Contact
Resume & Contact
Let’s connect!
Let’s connect!
Have an interesting problem, a role in mind or a shared curiosity about data science? I’d love to hear from you!
Explore my projects, get in touch or take a look at my resume below.
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