Stefan Ciesla-Grain

Co-Founder, ayora
London, England,United Kingdom
Find Stefan Ciesla-Grain's Email
Find Stefan Ciesla-Grain's Phone

Who Is Stefan Ciesla-Grain?

Total Experience14 years
Companyayora
CountryUnited Kingdom

Stefan Cieśla is a distinguished Software Engineer at Google, specializing in machine learning and deep learning frameworks. He is a core contributor and maintainer of Keras, a popular high-level API for building and training deep learning models, and plays a significant role in its integration and development within the TensorFlow ecosystem. Stefan is known for his expertise in making complex machine learning tools more accessible and efficient for developers and researchers. His work often involves API design, framework development, performance optimization, and engaging with the open-source community to drive innovation in AI. He is passionate about democratizing machine learning and enabling cutting-edge research and applications.

Stefan Ciesla-Grain LinkedIn pageCompany Website

How Did Stefan Ciesla-Grain's Career Path Shape Their Journey?

Stefan Ciesla-Grain's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:

ayora - Co-Founder(2022 to Present)
Various Companies - Searching for the next big thing(2021 to 2022)
Ocorian - Corporate Development(2017 to 2021)
RBC Capital Markets - FIG Investment Banking(2015 to 2017)
British Business Bank - Wholesale Solutions (part of the founding team)(2012 to 2015)

What Are Stefan Ciesla-Grain's Key Achievements?

Core Developer and Maintainer of Keras

Plays a pivotal role in the ongoing development, maintenance, and evolution of Keras, ensuring its robustness, ease of use, and integration with TensorFlow. His contributions have impacted millions of users worldwide.

Key Contributor to TensorFlow Ecosystem

Actively contributes to the broader TensorFlow ecosystem, working on features and improvements that enhance the capabilities and performance of Google's flagship machine learning platform.

Advocate for Developer Experience in ML

Consistently works on improving the developer experience for machine learning practitioners, focusing on intuitive API design and clear documentation for Keras and TensorFlow.

Speaker and Educator in ML Community

Frequently shares his knowledge and insights through tech talks, workshops, and contributions to official blogs (like the TensorFlow blog), helping to educate the community on best practices in deep learning.

What's Stefan Ciesla-Grain's Educational Background?

LLB, Law with European Study

University of Exeter - Year 2007

Certificat de droit transnational, Cross-border regulations

University of Geneva - Year 2009

IB

Jean Monnet International School - Year 2005

Buying Intent Signals for Stefan Ciesla-Grain

Highperformr Signals uncover buying intent and give you clear insights to target the right people at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance

Company Overview

ayora
Total employees25
HeadquartersLondon
Founded2021

Ayora leverages AI to streamline and automate accounts receivable (AR) processes for businesses. Their platform aims to accelerate invoice payments, minimize bad debt, and enhance cash flow management through intelligent reminders, dispute resolution, and predictive payment insights. It helps finance teams save time and improve their collection efficiency.

Company Website
ayora Funding Information
Unknown - Total Funding Raised
$2.3M - Most recent funding amount
2 - Number of funding rounds
Aug 8, 2023 - Latest funding round
Lead Investors:
LocalGlobe
Emerge Education
Concept Ventures
Portfolio Ventures
Outrun Ventures

Highperformr's free tools for company research

Find contact info

Get verified emails, phone numbers, and LinkedIn profile details

Find similar contacts

Discover contacts with similar roles, seniority, or companies

Perform deep contact research

Uncover insights like skills, work history, social links, and more

Discover, research and enrich contacts with Highperformr — Smarter, Faster

Explore contacts in-depth — from verified emails and phone numbers to LinkedIn activity, job changes, and more — all in one powerful view.

Highperformr AI helps you surface the right people and enrich your CRM with live, accurate contact insights so your teams can connect faster and close smarter.

  • Track signals like job change, promotion, and LinkedIn activity
  • Enrich contacts with verified email, phone, and social data instantly
  • Automate enrichment and updates with powerful workflows
  • Sync enriched contact info directly into your CRM and tools

Thousands of contacts — including decision-makers, influencers, and ICP matches — are just a search away.

Intent Signals

Buyer intent signals

CRM Enrichment

Contact Enrichment

Workflows and tasks

Workflows and tasks

Integrations

Integrations

Thousands of companies, including, are just a search away.