Lei Cao is a Forward Deployed Engineer at Labelbox. They possess expertise in r, chameleon cloud, linux, data science, model development and 40 more skills. Colleagues describe them as "December 26, 2018 Subject: Letter of Recommendation - Lei Dear Sir or Madam, It is my pleasure to recommend Lei Cao for a position with your organization. As part of the CSUDH academic credit internship, Lei worked with the City of Los Angeles inside our Data Science and Predictive Analytics Unit. Lei was tasked with helping improve our data engineering efforts and developing early warning systems for Traffic and MyLA311 Request. Over a 10 week internship, Lei learned apache airflow, improved our deployment process, wrote over 5 DAGs and deployed it all to production. There were many challenges presented by different data formats and and addressing which Lei handled with confidence, professionalism, a can-do attitude. He collaborated well between City departments and stakeholders . Lei’s programs are being used daily to help improve the lives of Angelenos. I wholeheartedly recommend Lei for a Data Science position in your organization Hunter Owens Senior Data Scientist City of Los Angeles, Information Technology Agency"