About Us

Making Data Analysis Work for
Real Business Results

Founded by Nadee Marasinghe, Visualizeit LLC is the result of over two decades of hands-on analytics experience. We are a full-service data analysis and visualization company offering a wide range of solutions from data cleaning and data analysis to ad hoc reports and complex Power BI reports.

We offer a structured, collaborative approach that turns disorganized datasets into decision-ready dashboards, whether you’re using spreadsheets, databases, or advanced statistical software.

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Meet Our Team

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Nadee Marasinghe

Founder, CEO and Chief Analyst

Nadee Marasinghe

Founder, CEO and Chief Analyst

With over two decades of experience in data analysis, programming and visualization, Nadee Marasinghe blends academic knowledge with practical expertise.

Will work with your needs, your visions and your data to fulfill all your reporting needs.

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Oscar Pena

Chief Statistician

Oscar Pena

Chief Statistician

Oscar has over 10 years of experience working as a Senior Data Scientist specializing in the development of high-impact machine learning and statistical models at a top national bank.

Will ensure the most accurate statistical analysis of your data.

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Dr. Akalanka Mailewa

Chief Technology and Security Consultant

Dr. Akalanka Mailewa

Chief Technology and Security Consultant

Dr. Akalanka Mailewa is a distinguished technology and security professional specializing in Computer Science and Cybersecurity, combining a passion for system design

Will ensure the utmost security of all your data.

Shirley Heskew

Shirley Heskew

Project Manager

Shirley Heskew

Project Manager

Shirley has over three decades of experience in guiding customers to help them grow their business. She has experience walking customers through the contract process

Will ensure all your projects are completed to your satisfaction and delivered in a timely manner.

Driving Decisions Through
Data and Design

With over two decades of experience in data analysis, programming and visualization, Nadee Marasinghe blends academic knowledge with practical expertise. Her passion for statistics began during her master’s thesis at Northern Illinois University, where she used multivariate regression analysis. She further expanded her skills with graduate studies in math-stat and programming at Texas A&M University. Staying current with evolving trends, she earned a graduate certificate in Applied Business Analytics from MIT Sloan and is completing another in Data Science from Carnegie Mellon University to ensure her clients receive modern, trend-aligned services.

Over the last six years, Nadee has worked with state and government agencies, building impactful SQL and Power BI reports—some used nationally, including reports used to report metrics for SAMHSA. Her dashboards have improved data-driven decision-making across departments. Additionally, she creates training materials to support teams in effectively adopting and utilizing these tools.

To Learn More Connect with me at

Driving Decisions Through
Data and Design

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Our Vision-icon

Our Vision

Our vision is to be the go-to partner in data analytics, empowering organizations with smarter insights, trusted dashboards, and meaningful impact. We aim to set
the standard for clarity and innovation in
data-driven decision-making.

Our Mission-icon

Our Mission

Our mission is to translate complex data into
clear, actionable intelligence. Through powerful dashboards, expert analysis, and tailored training,
we help organizations unlock the full
potential of their data.

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About Our Process

Collaborating to Turn Data into Insightful Reports

We start by meeting with you, either in person or remotely, to discuss your business KPIs, data, and reporting needs. We take the time to fully understand your data and your vision for the reports. Then, we provide a clear timeline and pricing estimate.

Depending on your project’s complexity, we schedule regular check-ins to share progress and gather feedback. This ensures the final product aligns perfectly with your goals.

Why Work with Visualizeit LLC?

Data Insights Made Simple and Powerful

Here’s why clients trust us to transform their data into impactful dashboards:

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Expertise You Can Trust

With over 20 years of experience in data analysis, programming, and advanced SAS statistics, we know data inside out.

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Power BI & SQL Mastery

We build tailored dashboards using SQL Server services and Power BI dashboards, combining robust data modeling with intuitive visuals.

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Advanced Analytics

Our dashboards use complex algorithms for error flagging, date calculations, and data shaping, all to give you accurate insights.

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Secure & Scalable Solutions

From Row Level Security to Role Based Access Control, your data is safe and accessible only to the right users.

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Need Help Making Sense of Your Data?

Get in touch today and turn your data into decisions with dashboards that deliver real impact.

Contact Us Now