Varun Challa Email and Phone Number
Varun Challa work email
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Varun Challa personal email
Passionate Data Science Professional with over 5 years of hands-on experience in leveraging data to drive business solutions. My journey spans across diverse industries, where I've honed my skills in extracting valuable insights from complex datasets.I hold a Master's degree in Business Analytics from Columbia University, complemented by a Bachelor's degree in Metallurgical Engineering from IIT BHU, Varanasi.My expertise lies in Machine Learning, Deep Learning, NLP, Operations Research, and Quantitative Finance. I'm driven by a relentless desire for learning and hold specializations in Deep Learning, Reinforcement Learning, Financial Engineering, Natural Language Processing, Time Series Analysis, and Asset Management with Machine Learning from Coursera.Let's connect to explore opportunities in leveraging data-driven strategies for your business.
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Senior Data ScientistTiger Analytics Jul 2023 - PresentSanta Clara, Ca, UsTiger Analytics is an advanced analytics and AI consulting firm. Working with a multinational apparel brand that specializes in providing a wide range of clothing and accessories.• Working on ML models to predict the size profiles of apparel/accessories for the retail outlets.
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Data ScientistTiger Analytics Apr 2021 - Jun 2023Santa Clara, Ca, UsWorked with Fortune 500 Insurance clients to build underwriting models for life insurance products.• Developed gradient boosting models and used other Machine Learning techniques to accelerate the underwriting process.• Significantly reduced the processing time and the underwriting costs.
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Research AssistantColumbia University In The City Of New York Mar 2021 - Mar 2021New York, Ny, UsWorked as a research assistant at the Industrial Engineering and Operations research department at Columbia. Was guided by Prof. Garud Iyengar and Prof. Hardeep Johar on NLP research.• Built an attention based deep learning model to convert English sentences to SQL queries using PyTorch. -
Data Science InternResera Capital Jul 2020 - Sep 2020Resera Capital is a private equity firm based in New York. As a data science intern, worked directly with the founders and developed quantitative models to assist the investment decisions.• Used Machine Learning, Time Series Analysis and other Statistical methods.
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Research AssistantColumbia Business School May 2020 - Aug 2020New York, Ny, UsAs a research assistant at Columbia Business School, researched how emotions vary as modes of communication change. Was guided by Prof. Melanie Brucks.• Researched how virtual video interactions affect creativity and idea generation by studying varying emotions.• Utilized computer vision algorithms and unsupervised ML to infer statistically significant results. -
Data Science InternRoc360 Jan 2020 - Apr 2020New York, Ny, UsROC 360 is a financial services platform for Real Estate investors.• Built an object detection model based on inspection images. Leveraged Machine Learning and Computer Vision algorithms to assess the progress made in real estate renovations. -
Senior Analytics ConsultantExl Analytics Aug 2018 - May 2019New York, Ny, UsEXL Services is an analytics consulting firm. As a Sr. Consultant at EXL, worked with Fortune 500 banking clients to streamline their backend operations using Analytics and Robotic Process Automation(RPA).• Devised advanced analytics and automation solutions to streamline the back-office operations.• Delivered 40 full time employee (FTE) benefits in a 6-member team and helped to significantly improve operational efficiency.• Led opportunity assessment for process automation and created book of work prioritizing potential projects with an estimated 45+ FTE savings. -
Analytics ConsultantExl Analytics Aug 2017 - Jul 2018New York, Ny, Us• Developed Python and VBA based tools. Automated manual tasks through OCR using Tesseract and OpenCV libraries, performed web automation using Selenium.• Used Text Analytics, Machine Leaning and other advanced analytics methods.• Mentored new college recruits and interns on advanced Excel and VBA.
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Industrial Engineering InternVisakhapatnam Steel Plant May 2016 - Jul 2016Vizag, Andhra Pradesh, In• Built a linear regression model to predict the yield strength of reinforced steel bars. Significantly helped in reducing wastage and product rejections.
Varun Challa Education Details
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Columbia Business SchoolBusiness Analytics -
Columbia UniversityBusiness Analytics
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Indian Institute Of Technology (Banaras Hindu University), VaranasiMetallurgical Engineering
Frequently Asked Questions about Varun Challa
What company does Varun Challa work for?
Varun Challa works for Tiger Analytics
What is Varun Challa's role at the current company?
Varun Challa's current role is Senior Data Scientist at Tiger Analytics | Columbia University | IIT (BHU).
What is Varun Challa's email address?
Varun Challa's email address is va****@****ics.com
What schools did Varun Challa attend?
Varun Challa attended Columbia Business School, Columbia University, Indian Institute Of Technology (Banaras Hindu University), Varanasi.
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