Hire the Best Data Visualization Specialists in New York

⚡ Power BI & Excel Dashboard Expert | Turning Messy Data Into Decisions You Can Trust Most businesses don't have a data problem — they have a visibility problem. The numbers are there, but they're scattered across spreadsheets, locked in systems that don't talk to each other, or buried in reports that take half a day to build. That's what I fix. I'm a Power BI and Excel specialist with five years of experience and 200+ completed projects, helping teams replace manual spreadsheets with automated, real-time reporting that drives faster, smarter decisions. As a Top Rated Plus freelancer with a 100% Job Success Score and a perfect track record — no 1- or 2-star reviews, ever — I deliver work that's reliable, well-documented, and built to last. 🚀 What I Deliver Power BI Dashboards & Data Models – Custom visuals, dynamic DAX measures, and executive-level reporting tailored to your business goals. Automated Data Pipelines – Connect APIs, Excel, SQL, and cloud sources to streamline data refresh and eliminate repetitive manual work. Excel & VBA Tools – Advanced formulas, macros, and calculators that simplify data management and reduce errors. Performance & Market Insights – Deep analysis across finance, construction, retail, e-commerce, and more, turning trends into clear strategies. 🧠 Core Expertise ✅ Power BI Visualizations & DAX ✅ SQL Server & API Integration ✅ Advanced Excel Formulas & Dashboards ✅ Looker Studio (Data Blending & Calculated Fields) ✅ Google Sheets & Cloud Data Automation ✅ Power Query & ETL Pipelines ✅ Power Automate & Power Apps ✅ Airtable ✅ Zapier 🏆 Featured Work Built a 9-page institutional finance dashboard tracking $27B+ in capital across 47 countries, with bridge-table data modeling and a fully branded design system. Developed branded Power BI reporting for construction firms, connecting live SharePoint data with automated budget vs. actual comparisons. Created customer success analytics tracking agent performance, refund rates, and CSAT for support teams. Connected live Shopify data to Power BI for e-commerce RFM segmentation and repeat-purchase analysis. Built Google Sheets automation systems that replaced multi-day reporting cycles with a single refresh. 🎯 Why Work With Me I bridge technical precision with business understanding — delivering dashboards that not only look great but actually drive decisions. I ask the right questions before building, document everything so your team can maintain it after I'm gone, and stay in communication from start to finish. If your reporting isn't working — or you're not even sure what's possible — send me a message. I respond within a few hours and I'm always happy to talk through the right approach first.

As an Upwork Expert-Vetted and Top-Rated Plus professional, I’m in the top 1% of experts in this field. When it comes to data, I love to find creative and visual ways to tell a story. I've learned a lot over the last 10 years and most importantly that there is always more to discover. I specialize in Tableau, Microsoft Power BI and Apache Superset to visualize your data. I use Figma to create compelling wireframes and designs to bring the UI and UX to life. And I work with my clients to understand who they are and what they do... ✨Data Visualization Strategy // consulting to get you started on your data viz journey ✨Dashboards & Reports // let's get building in Tableau, Power BI, or Apache Superset ✨UI/UX Design // let's bring your data story to life in Figma and enhance existing content ✨Embeded Analytics // simplify your tech stack by embedding dashboards and reports ✨Custom Web Portals // build a professional custom web portal for your org or clients to access content Let's get started on your story... James Jeffrey Data Visualization Lead @ Radar BI

I am an experienced and versatile MBA and data analyst with a passion for helping businesses succeed! My strength lies in quantitative analysis and econometrics, and I'm well-versed in statistical techniques such as linear regression, logistic regression, ANOVA, hierarchical linear models, and more. I primarily use R for data analysis (with statistical packages and ggplot2), but I'm also proficient in visualization tools like Tableau, Power BI, and Excel. Here's the tools I use (but not limited to): For analysis; - Spreadsheet for cleaning in Excel, Google Sheet - Analytical/Statistical coding in R - SQL dialect in MySQL, BigQuery, SQL Server - Dashboard with Tableau, Power BI Also I deliver the final product in a consistent format as part of the secured quality. For representation I may use the following tools; - Adobe Illustrator, InDesign - HTML, CSS - Slides with PowerPoint, Canva (I also align with your required format.) In addition to my technical skills, I pride myself on my ability to communicate effectively with clients and deliver tailored solutions that meet their specific needs. Whether you need help with data-driven decision making, digital marketing, finance backend data, statistical data analysis assignments, or any other business challenge, I'm here to help. Let's work together to take your business to the next level!

𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐲𝐨𝐮𝐫 𝐝𝐚𝐭𝐚 𝐢𝐧𝐭𝐨 𝐝𝐞𝐜𝐢𝐬𝐢𝐨𝐧𝐬 I’m an Expert Vetted Data Visualization Specialist (Top 1% on Upwork) and founder of DataDriven Agency. I help both technical and non-technical teams unlock the full value of their data through intuitive, beautifully designed dashboards that people actually use. Clients like the United Nations, Wendy’s, Mach49, and Galison & Mudpuppy have trusted me to deliver over 100 successful projects across the full data journey, from pipelines to insights. My focus is always on usability, clarity, and aligning visuals with real business goals. If you’re ready to go beyond spreadsheets and static reports, let’s build a data product your team will rely on every day. 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 - Power BI certified - Interactive dashboard and report design - Data pipeline development and modeling - User-focused mobile dashboard design - Comprehensive data strategy and implementation

- Masters in Industrial Organizational Psychology (M.S.) - Published Researcher continually working on future publications - Microsoft Certified Data Scientist Professional (see certificate document below) - Microsoft Certified Excel Specialist (Advanced User; see certificate document below) - Microsoft Certified Access Database Specialist (see certificate document below) - Familiar with SPSS and other data management software - Experienced Tableau and PowerBI User -Expert in Quantitative and Qualitative Analysis -Expert in Dashboard Design and Data Storytelling -10+ years experience with various research, survey and data analysis protocols - Previous work experience at large corporations, including a Fortune 100 company, working as a database manager and generating data visualizations for executive level stakeholders. - Extremely organized, dedicated, efficient worker

Data generates solutions. As a problem solver fueled by innate curiosity, I have acquired fifteen years of data operations, market research, and IT experience. I have evolved professionally into a master of business intelligence tools such as Alteryx and Tableau. I take pride in providing my clients with insights that drive their growth, efficiency and bottom line. I have history of work across healthcare, retail and education industries among others. I have supported data from small excel files through major databases such as Salesforce, Snowflake, Big Query, and AWS. I am familiar with project management tools such as Jira, monday.com and Slack.