Buari Olayinka

I am Olayinka Buari, a Mathematics graduate with strong expertise in data analysis, business intelligence, and education consulting. With hands on experience as a Data Analyst Intern at Treekle, I have developed practical skills in Excel, SQL, and Power BI, helping businesses and individuals transform raw data into actionable insights. My projects include analyzing water access and sanitation in Africa using MySQL, building telecom billing dashboards in Power BI, and researching variational inequalities in Hilbert Spaces. Beyond analytics, I work as an educational consultant, guiding students through exam preparation, academic choices, and mentorship. I am passionate about solving problems, presenting data clearly, and supporting informed decision making. Known for being detail oriented, adaptable, and reliable, I aim to deliver quality work that adds value to every project. Whether it’s data cleaning, visualization, reporting, or academic guidance, I bring dedication and professional