Calvin John

Calvin John Email and Phone Number

Data Scientist at GGWP @ GGWP
san francisco, california, united states
Calvin John's Location
Oakland, California, United States, United States
Calvin John's Contact Details

Calvin John work email

Calvin John personal email

n/a
About Calvin John

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.

Calvin John's Current Company Details
GGWP

Ggwp

View
Data Scientist at GGWP
san francisco, california, united states
Website:
ggwp.com
Employees:
18
Calvin John Work Experience Details
  • Ggwp
    Data Scientist
    Ggwp Nov 2022 - Present
    San 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.
  • Skan.Ai
    Data Scientist
    Skan.Ai Apr 2021 - Mar 2022
    San 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.
  • Sensor Tower
    Jr. Data Scientist
    Sensor Tower Jul 2020 - Oct 2020
    San 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.
  • Locateai
    Software Engineer
    Locateai Jun 2019 - Mar 2020
    San 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.
  • Jack Baskin Hybrid Dynamics Laboratory
    Research Assistant
    Jack 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.
  • Santa Cruz Institute For Particle Physics
    Undergraduate Research Assistant
    Santa 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

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?

Free Chrome Extension

Find emails, phones & company data instantly

Find verified emails from LinkedIn profiles
Get direct phone numbers & mobile contacts
Access company data & employee information
Works directly on LinkedIn - no copy/paste needed
Get Chrome Extension - Free

Aero Online

Your AI prospecting assistant

Download 750 million emails and 100 million phone numbers

Access emails and phone numbers of over 750 million business users. Instantly download verified profiles using 20+ filters, including location, job title, company, function, and industry.