Tessa Xie

Data analysis is the key to drive business decisions through answering abstract business questions but it’s hard to get right Tessa Xie · Follow Published in Towards Data Science · 13 min read · 8 hours ago — Image by author “We have observed a drop in our core metric, what is going on?” “What are the drivers for churn?” As data scientists, we encounter questions like these every day. A stakeholder comes across something

Why I believe my experience at McKinsey made me a better data scientist Tessa Xie · Follow Published in Towards Data Science · 11 min read · 2 hours ago — Image by author (created with the help of Midjourney) Unlike a lot of data scientists in tech, my career in data science started in consulting, and I think it’s the best career move I have made. Say what you will about consulting culture and

Why writing is crucial for technical roles, and how to get good at it Tessa Xie · Follow Published in Towards Data Science · 8 min read · 7 hours ago — Image by author (Midjourney) “Why is my manager nitpicking my write-up? What difference does it make changing the wording from X to Y?” You have probably caught yourself thinking this when you see your managers’ numerous suggestions all over your document; I know

Most valuable lessons from my time at McKinsey Tessa Xie · Follow Published in Towards Data Science · 6 min read · 13 hours ago — image by author In my previous post, I made the point that “communicating our work is as important as writing code and building the models and products to get the job done.” Unfortunately, in reality I have observed a lot of data scientists (especially junior ones) struggling with the

Actually, any good employee should adopt this mindset Tessa Xie · Follow Published in Towards Data Science · 6 min read · 12 hours ago — Photo by Katerina May on Unsplash After transitioning out of quant finance, my first experience as a data scientist was in consulting. Most of the feedback I received in my early days at McKinsey was not related to my code or technical skills, but rather consisted of advice like