Calvin John Email and Phone Number
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A data scientist with proven experience crafting unsupervised solutions for challenging, novel business problems. Trained in mathematics, machine learning and programming. Thrives when creatively collaborating with diverse teams on ambitious projects. Seeking positions emphasizing research in self-supervised learning and NLP.
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Data ScientistGgwp Nov 2022 - PresentSan Francisco Bay Area* Researched, fine-tuned, and deployed neural translation models in 16 languages to generate billions of translations for our toxicity detections. * Led a talented intern team to research and create an LLM labeling system that measured performance of 16 different production models across 17 languages. * Created an LLM filtering system that improved precision of our production models in foreign languages by 20%. * Trained and deployed an identity hate and bias classifier for video game moderation that detected millions of player identity attacks. * Built grooming indicator models whose outputs were aggregated to detect real grooming alerts for our customers. -
Data ScientistSkan.Ai Apr 2021 - Mar 2022San Francisco Bay Area* Researched a novel neural network architecture to address challenging business problems and implemented it in Tensorflow and Python.* Engineered an end to end hierarchical event clustering pipeline that recognizes business process activities for a diverse range of client businesses. * Designed and implemented an unsupervised hierarchical labeling system that summarizes complex events and activities with intuitive labels. * Developed a self-supervised rule learning system that continuously provides event classification rules to clients. -
Jr. Data ScientistSensor Tower Jul 2020 - Oct 2020San Francisco Bay Area* Created validation pipelines in Ruby and Python to build, calculate, and statistically analyze our Store/Usage Intelligence data.* Investigated data sources to identify usage intelligence trends and outliers. -
Software EngineerLocateai Jun 2019 - Mar 2020San Francisco Bay Area* Predicted 1000’s of actionable events from terabytes of data by using a self-designed unsupervised learning approach to solve a challenging problem.* Designed and coded customer intelligence pipelines that find behavioral patterns from billions of mobile GPS data using big data and machine learning.* Created a validation system of statistical heuristics and Python code to animate different behavioral models and compare business trends in Google Maps.* Delivered Python programs that produce GPS traffic layers for the website. -
Research AssistantJack Baskin Hybrid Dynamics Laboratory Jan 2016 - Jun 2017* Successfully created a self-driving, collision evading quadcopter that dodges projectiles with partner Jeremy Crowley.* Awarded competitive Regent’s Fellowship as an undergraduate for research potential.* Led a team of high school interns to compete at the national Siemens Competition for robotics.
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Undergraduate Research AssistantSanta Cruz Institute For Particle Physics Jul 2015 - Jan 2016*Co-authored a research publication entitled "Ultra Fast Silicon Detectors."*Used C++ based simulation program Weightfield to quantitatively model silicon detectors. *Authored a 50 page research report in which theoretical framework of semi-conductor physics was outlined; original data obtained through Weightfield was presented; and algorithmic flaws in Weightfield's structure were identified--including comparative results demonstrating improved performance.
Calvin John Education Details
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Electrical And Computer Engineering -
Computational Mathematics
Frequently Asked Questions about Calvin John
What company does Calvin John work for?
Calvin John works for Ggwp
What is Calvin John's role at the current company?
Calvin John's current role is Data Scientist at GGWP.
What is Calvin John's email address?
Calvin John's email address is ca****@****gwp.com
What schools did Calvin John attend?
Calvin John attended University Of California, Los Angeles, University Of California, Santa Cruz.
Who are Calvin John's colleagues?
Calvin John's colleagues are Ralph Adrian Mojica, Mazhar Ahmed, Wong Jackson, Mona Thakur, Chris Lai, Philip Cajes, Amritesh Rai.
Not the Calvin John you were looking for?
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Calvin St. John
San Francisco, Ca6amazon.com, gmail.com, identified.com, quantcast.com, adobe.com, adobe.com -
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Calvin John
Oceanside, Ca -
1mobilexusa.com
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