Ravi Rajan Email & Phone Number

San Francisco, Ca, Us

Quantifying the impact of Brand Equity on Revenue using Media Mix Modelinghttps://tinuiti.com/blog/analytics/brand-equity-and-its-impact-on-revenue

San Francisco, California

Mentoring and Teaching Data Science

San Francisco, California

Data Science - - Ad Tech & Marketing - RTB and keyword harvesting, conversion maximization, budget optimization, propensity modeling for targeting - Fintech - loan pricing, estimating default rates & risk management- Experimental designQuantitative Trading -- Option pricing & volatility modeling- Statistical arbitrage- Portfolio & risk management

Vungle is a mobile ad network matching advertisers and publishers. I had the privilege of launching header bidding at Vungle.

San Francisco, California

I had the opportunity to drive Indeed's sponsored products and built the advertising science team. We used techniques from control theory and optimization to add value to advertisers.

Greater New York City Area

Targeted Advertising, Topic modeling (NLP) on Twitter dataQualia (formerly Localresponse) was a pioneer at targeted advertising. I had the opportunity to deploy NLP at large scale where we performed Topic modeling on tera bytes of Twitter data (using Mahout) with the eventual goal of matching users with ads. Topic modeling enabled us to grow audience by 2 orders of magnitude.

Greater Chicago Area

Options Market MakingSolved partial differential equations using Finite difference method to estimate risk neutral prices of listed equity options for high frequency trading. Also contributed to developing caching techniques and numerical approximations to generate theoretical values in micro seconds.Used Statistical Analysis, Optimization and parametric & non parametric methods to infer latent parameters in financial markets.

Greater Chicago Area

Statistical ArbitrageTime Series Analysis - Used ARIMA and co-integration to identify stocks for high frequency trading. I also implemented the algorithms in C++ for hft.