Ashley Gritzman

Ashley Gritzman Email and Phone Number

🌱 CTO at WTax | PhD @ WTax (VAT IT Group)
Ashley Gritzman's Location
City of Johannesburg, Gauteng, South Africa, South Africa
About Ashley Gritzman

🌱 TL;DR - I'm an entrepreneur + engineer with experience in building software products and teams from the ground up.🛠️ Technical Background - My technical background is in machine learning having studied and worked in this field for over 12 years. I worked as an AI Research Scientist at IBM for 5 years and did a PhD in machine learning. 🚀 Entrepreneurship - I have founded several companies including an AI startup, and Vizia a consumer electronics distributor. 👨‍🎓 Education - During my academic career, I obtained two undergraduate degrees in Electrical Engineering and Biomedical Engineering, and received the Chancellor’s Gold Medal for the top student at Wits University in 2011. I completed my PhD at Wits University in 2016 which focused on computer vision and machine learning to do automatic lip-reading.

Ashley Gritzman's Current Company Details
WTax (VAT IT Group)

Wtax (Vat It Group)

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🌱 CTO at WTax | PhD
Ashley Gritzman Work Experience Details
  • Wtax (Vat It Group)
    Chief Technology Officer
    Wtax (Vat It Group) Mar 2023 - Present
    London, England, Gb
  • Vizia Tech
    Co-Founder
    Vizia Tech Oct 2017 - Present
    Vizia is an importer and distributor of consumer electronics in South Africa focusing on backup power and smart home products.
  • Tesserae
    Co-Founder & Cto
    Tesserae Nov 2020 - Oct 2022
    Johannesburg, Za
    Co-founded Tesserae an AI startup backup by Founders Factory Africa and Standard Bank. The goal was to build a large-scale data labelling platform that catered for the security and privacy needs the financial services industry.Highlights as CTO• 🌟 Attracting Talent - Recruited team of five A-player engineers including top-of-the-class graduates and full-stack devs with 10+ year of experience (on a startup’s budget).• 🎽 Team Management - Lead day-to-day activities of engineering team including daily standups, retros, 1-on-1s, feature design, incident response.•💡 Product Strategy - Responsible for product strategy and managing stakeholders client/business/tech.• 🌴 DevOps - Increased frequency of software releases from weekly to daily by adopting trunk-based dev workflow.• 🛠 Tech Stack - Python, Django, JavaScript, React, AWS, ECS, SageMaker, HuggingFace.
  • Ibm
    Technical Lead Of Applied Ai Team
    Ibm Nov 2019 - Nov 2020
    Armonk, New York, Ny, Us
    Technical lead for the Applied AI Team where responsibilities included defining the research agenda and managing a team of software developers and ML engineers.
  • Ibm
    Ai Research Scientist
    Ibm Aug 2016 - Nov 2020
    Armonk, New York, Ny, Us
    Started out at IBM as an AI Research Scientist doing a combination of theoretical and applied research. The theoretical research focused mainly on algorithms for computer vision whereas the applied AI topics ranged from automated design of household solar systems to Covid-19 forecasting. • 👀 Computer Vision Research on Capsule Networks Conducted fundamental research into a new deep learning architecture called “Capsule Networks”, which was published at a top AI conference called IJCAI. The code comprised roughly 3000 lines written in Python and TensorFlow, and has been open-sourced on GitHub.• 🌦 Climate Prediction using LSTMsApplied recent deep learning techniques including CNNs and LSTMs to a new domain of seasonal climate prediction. The objective was to test whether these techniques can beat the long-established statistical methods. The results were published at a climate change workshop hosted at the premier AI conference called NeurIPS.• 🩺 NLP for Medical RecordsBuilt an NLP system for the NHLS to classify free-text pathology reports into ICD-10 categories. The pipeline included TF-IDF, and the final classifier was an ensemble of gradient boosted trees from LightGBM and XGBoost.• 🏠 Web App for Designing Solar PV Systems Developed the backend algorithms and APIs for the EmpowerSolar web app (available here), which is a free online tool to automatically design solar PV systems. The APIs were built using Python Flask, with Swagger for the documentation.• 🦠 Covid-19 Web App for Gauteng ProvinceProject lead for the IBM COVIZ Dashboard, which was the official Covid-19 dashboard used by Gauteng Province to monitor and respond to the pandemic. The dashboard includes algorithms to detect hotspots of outbreak, and predict the number of cases, hospitalisation and deaths in the province.
  • Greenmatters Engineering
    Co-Founder
    Greenmatters Engineering Jul 2015 - Jan 2017
    Co-founded GreenMatters Engineering, a renewable energy consultancy focused on heating, lighting and solar PV. The main project was the design and implementation of pole-mounted solar PV systems to power CCTV cameras.
  • Deloitte South Africa
    Data Scientist
    Deloitte South Africa Sep 2013 - Aug 2015
    Worldwide, Oo
    • 🔮 Customer Churn Model for Standard BankDesigned and implemented a churn model to predict which customers are likely to leave the bank within the next 6 months. The model used logistic regression, neural networks, and feature reduction algorithms.• 🩺 Hospital Utilisation for NetcareDeveloped a platform to assess the utilisation of theatres and wards across the Netcare hospital network, and recommend ways to improve. The platform included data preprocessing in SQL and SAS, and an optimisation model built using QlikView.• 🏦 Integrity Testing for InvestecDeveloped a system to validate the integrity of Investec’s interest calculations on personal accounts.
  • University Of The Witwatersrand
    Software Engineer
    University Of The Witwatersrand Jan 2013 - Dec 2013
    Johannesburg, Gauteng, Za
    • Lead software engineer tasked with design and implementation of bespoke software applications for the REDCap platform. REDCap is an open source data capture system which allows the user to build and manage online surveys and databases for medical research. • Responsibilities included managing a team of four engineers; allocating and monitoring the budget; and liaising between the client and the developers.
  • University Of The Witwatersrand
    Sessional Lecturer
    University Of The Witwatersrand Jan 2012 - Oct 2013
    Johannesburg, Gauteng, Za

Ashley Gritzman Skills

Matlab Image Processing Programming Machine Learning Algorithms Signal Processing Biomedical Engineering Data Analysis Latex C++ Simulations Sas Electrical Engineering Artificial Intelligence Pattern Recognition C# Simulink Software Engineering Predictive Analytics Qlikview

Ashley Gritzman Education Details

  • University Of The Witwatersrand
    University Of The Witwatersrand
    Computer Vision And Machine Learning
  • University Of The Witwatersrand
    University Of The Witwatersrand
    Electrical And Electronics Engineering
  • University Of The Witwatersrand
    University Of The Witwatersrand
    Biomedical Engineering

Frequently Asked Questions about Ashley Gritzman

What company does Ashley Gritzman work for?

Ashley Gritzman works for Wtax (Vat It Group)

What is Ashley Gritzman's role at the current company?

Ashley Gritzman's current role is 🌱 CTO at WTax | PhD.

What schools did Ashley Gritzman attend?

Ashley Gritzman attended University Of The Witwatersrand, University Of The Witwatersrand, University Of The Witwatersrand.

What skills is Ashley Gritzman known for?

Ashley Gritzman has skills like Matlab, Image Processing, Programming, Machine Learning, Algorithms, Signal Processing, Biomedical Engineering, Data Analysis, Latex, C++, Simulations, Sas.

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