Head Of Ai
Current
Jan 2022 - Present
AeroLeads people directory · profile
Jeff R. Email & Phone Number
Head of AI @ Ohai.ai | PhD Math @ NYU Courant
at
Ohai.ai
1 work email found
@lambdatechnologies.com
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
Role
Head of AI @ Ohai.ai | PhD Math @ NYU Courant
Location
Miami, Florida, United States
Who is Jeff R.? Overview
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Quick answer
Jeff R. is listed as Head of AI @ Ohai.ai | PhD Math @ NYU Courant at Ohai.ai, based in Miami, Florida, United States. AeroLeads shows a work email signal at lambdatechnologies.com and a matched LinkedIn profile for Jeff R..
Jeff R. previously worked as Head of AI at Ohai.Ai and Principal at Lambda Technologies. Jeff R. holds Doctor Of Philosophy (Ph.D.), Mathematics from New York University.
Company email context
Email format at Ohai.ai
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*@lambdatechnologies.com
68% confidence
AeroLeads found 1 current-domain work email signal for Jeff R.. Compare company email patterns before reaching out.
Profile bio
About Jeff R.
I am a data scientist with deep industry experience, covering project design, data gathering/wrangling, modeling, testing, and deployment to production. I have led projects that include automated emotional expression recognition, quantitative trading, statistical DNA reconstruction, negotiation modeling, natural language processing, programming language development, and a variety of machine learning methods for predictive modeling. I am fluent in a range of cutting-edge techniques, including transfer learning, reinforcement learning, transformers, deep learning, and text embeddings. I have expert knowledge of mathematics, statistics, probability, machine learning, computer architecture, algorithms, and several programming languages and tools. I hold a Ph.D. in mathematics from New York University.
Listed skills include Machine Learning, Statistics, R, Mathematical Modeling, and 43 others.
Current workplace
Jeff R.'s current company
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8 roles · 21 years
Jeff R. work experience
A career timeline built from the work history available for this profile.
Principal
CurrentWe provide data science consulting in various fields: US legal/court prediction, financial modeling/alpha generation, ad targeting optimization, predictive geolocation modeling, reinforcement learning for satellite scheduling/targeting, natural language processing for US counterterrorism, NFL survivor pool optimization, deep learning for de-mixing audio.
2016 - Present
~10 yrs 5 mos
Founder
Snap a photo, get an answer. It's that simple!Students snap a photo of their question, get a price, and receive an answer. Tutors swipe through questions and prices in their subjects and answer the ones they like.Help! uses cutting-edge machine learning to match questions to tutors.
Oct 2018 - Jan 2022
Chief Data Scientist
Led a team of seven Ph.D. researchers to predict video ad performance, using deep learning to quantify the frame-by-frame emotional expressions of people watching videos via webcam.Used Python, Spark, AWS, R, MATLAB, and Postgres.
2015 - 2016
~1 yr
Senior Science Advisor
Built and led the Machine Analyzed Risk Scoring (MARS) team, which quantifies investment adviser riskiness by using machine learning techniques on a wide range of structured and unstructured data sources.Delivered critical nonpublic results for complex quantitative examinations.Furthered the SEC’s mission through highly visible public speeches:1. Keynote.
2012 - 2015
~3 yrs
High-Frequency Financial Trader
Traded Eurodollar products on CME. Designed and wrote live algorithms. Modeled Eurodollar futures markets: spread/underlying statistical arbitrage, mean reversion, momentum, gamma scalping, microstructure inefficiencies.Used a TB-scale dataset to validate these models using C, Python, MATLAB.Created fast metrics to serve as proxies for more computationally.
2010 - 2012
~2 yrs
Quantitative Consultant
Built a C++ back-testing engine and tested US equities trading strategies.Responsible for all quant-related support of a seven-person brokerage desk.
2008 - 2009
~1 yr
Research Consultant/Financial Analyst
Adviser to president Michael Colacino. Modeled US real estate markets and discovered practical results in game theory and negotiation modeling.
2005 - 2007
~2 yrs
3 education records
Jeff R. education
Doctor Of Philosophy (Ph.D.), Mathematics
New York University
B.A. With Highest Thesis Honors, Mathematics
Tufts University
High School
Wyoming Seminary
FAQ
Frequently asked questions about Jeff R.
Quick answers generated from the profile data available on this page.
What company does Jeff R. work for?
Jeff R. works for Ohai.ai.
What is Jeff R.'s role at Ohai.ai?
Jeff R. is listed as Head of AI @ Ohai.ai | PhD Math @ NYU Courant at Ohai.ai.
What is Jeff R.'s email address?
AeroLeads has found 1 work email signal at @lambdatechnologies.com for Jeff R. at Ohai.ai.
Where is Jeff R. based?
Jeff R. is based in Miami, Florida, United States while working with Ohai.ai.
What companies has Jeff R. worked for?
Jeff R. has worked for Ohai.Ai, Lambda Technologies, Help! Tutoring, Realeyesit.Com, and U.S. Securities And Exchange Commission.
How can I contact Jeff R.?
You can use AeroLeads to view verified contact signals for Jeff R. at Ohai.ai, including work email, phone, and LinkedIn data when available.
What schools did Jeff R. attend?
Jeff R. holds Doctor Of Philosophy (Ph.D.), Mathematics from New York University.
What skills is Jeff R. known for?
Jeff R. is listed with skills including Machine Learning, Statistics, R, Mathematical Modeling, Python, Natural Language Processing, Matlab, and Data Analysis.
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