Gilles Crofils

Gilles Crofils

Hands-On Chief Technology Officer

Based in Western Europe, I'm a tech enthusiast with a track record of successfully leading digital projects for both local and global companies.1974 Birth.
1984 Delved into coding.
1999 Failed my First Startup in Science Popularization.
2010 Co-founded an IT Services Company in Paris/Beijing.
2017 Led a Transformation Plan for SwitchUp in Berlin.
April. 2025 Eager to Build the Next Milestone Together with You.

Guide to Ethical AI for CTOs: Ensuring Fairness

Abstract:

CTOs play a crucial role in upholding ethical AI and algorithmic accountability. They are responsible for ensuring transparency, fairness, and unbiased decision-making in AI systems. This involves monitoring, explaining, and justifying AI processes to minimize bias and ensure fair treatment of all users. Achieving fairness in machine learning requires techniques like fairness-aware machine learning and robust data governance policies. CTOs, Directors of Technologies, and Directors of Engineering must collaborate with cross-functional teams to address bias and unfairness, establishing clear guidelines for AI development to promote trust and innovation.

Visualize a Middle-Eastern female CTO navigating a surreal, ethereal landscape of interconnected nodes and sprawling data streams, rendered in various shades of blue. Envision the nodes as symbolic of distinct AI systems, while the flowing data streams epitomize transparency and accountability processes. The CTO acts as a beacon, wielding a light that bathes the paths in its glow, ensuring fairness and impartial decision-making, ensuring all nodes and streams adhere to moral standards. Add symbolic elements like scales representing justice and keys to indicate access and fairness. The overarching ambiance of the image should elicit feelings of duty and vigilance in navigating the ethical dimensions of AI.
Ethical AI and Algorithmic Accountability: A CTO's Guide to AI Decision-Making and Fairness in Machine Learning

The Role of AI Ethics in Technology

As a Chief Technology Officer (CTO), it is essential to recognize the growing impact of artificial intelligence (AI) on business operations and society. With this influence comes an increased responsibility to uphold AI ethics. Ethical AI ensures that AI systems are transparent, fair, and unbiased, fostering trust and addressing potential misuse or unintended consequences. By prioritizing AI ethics, CTOs can create a framework for AI decision-making that aligns with organizational values and contributes to the common good.

Ethical AI and Algorithmic Accountability

Algorithmic accountability is an essential aspect of ethical AI, requiring CTOs and technology leaders to monitor, explain, and justify the decision-making processes of AI systems. By maintaining algorithmic accountability, organizations can minimize bias and ensure that AI systems treat all users fairly. This involves continuously assessing and refining algorithms to eliminate potential sources of discrimination and unfairness, as well as establishing clear guidelines for data usage, privacy, and security. By prioritizing algorithmic accountability, CTOs can foster trust in AI systems and mitigate potential risks associated with AI decision-making.

Fairness in Machine Learning

Achieving fairness in machine learning algorithms is an ongoing challenge for CTOs and technology leaders. Bias can enter machine learning models through various channels, including data collection, data preprocessing, and algorithm design. To address these challenges, CTOs should employ techniques such as fairness-aware machine learning, which incorporates fairness constraints during model training. Additionally, CTOs should establish robust data governance policies, ensuring that data is representative, unbiased, and free from discrimination. By committing to fairness in machine learning, CTOs can build AI systems that deliver equitable outcomes for all users, regardless of their background or circumstances.

The Responsibility of CTOs, Directors of Technologies, and Directors of Engineering

CTOs, Directors of Technologies, and Directors of Engineering play a critical role in ensuring the ethical development and deployment of AI systems. By fostering a culture of AI ethics, these technology leaders can create an environment where AI decision-making and machine learning models are transparent, accountable, and fair. This requires ongoing collaboration with cross-functional teams, including data scientists, engineers, and business leaders, to identify and address potential sources of bias and unfairness. By establishing clear guidelines for AI development, these technology leaders can promote trust, foster innovation, and contribute to a more equitable society.

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25 Years in IT: A Journey of Expertise

2024-

My Own Adventures
(Lisbon/Remote)

AI Enthusiast & Explorer
As Head of My Own Adventures, I’ve delved into AI, not just as a hobby but as a full-blown quest. I’ve led ambitious personal projects, challenged the frontiers of my own curiosity, and explored the vast realms of machine learning. No deadlines or stress—just the occasional existential crisis about AI taking over the world.

2017 - 2023

SwitchUp
(Berlin/Remote)

Hands-On Chief Technology Officer
For this rapidly growing startup, established in 2014 and focused on developing a smart assistant for managing energy subscription plans, I led a transformative initiative to shift from a monolithic Rails application to a scalable, high-load architecture based on microservices.
More...

2010 - 2017

Second Bureau
(Beijing/Paris)

CTO / Managing Director Asia
I played a pivotal role as a CTO and Managing director of this IT Services company, where we specialized in assisting local, state-owned, and international companies in crafting and implementing their digital marketing strategies. I hired and managed a team of 17 engineers.
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SwitchUp Logo

SwitchUp
SwitchUp is dedicated to creating a smart assistant designed to oversee customer energy contracts, consistently searching the market for better offers.

In 2017, I joined the company to lead a transformation plan towards a scalable solution. Since then, the company has grown to manage 200,000 regular customers, with the capacity to optimize up to 30,000 plans each month.Role:
In my role as Hands-On CTO, I:
- Architected a future-proof microservices-based solution.
- Developed and championed a multi-year roadmap for tech development.
- Built and managed a high-performing engineering team.
- Contributed directly to maintaining and evolving the legacy system for optimal performance.
Challenges:
Balancing short-term needs with long-term vision was crucial for this rapidly scaling business. Resource constraints demanded strategic prioritization. Addressing urgent requirements like launching new collaborations quickly could compromise long-term architectural stability and scalability, potentially hindering future integration and codebase sustainability.
Technologies:
Proficient in Ruby (versions 2 and 3), Ruby on Rails (versions 4 to 7), AWS, Heroku, Redis, Tailwind CSS, JWT, and implementing microservices architectures.

Arik Meyer's Endorsement of Gilles Crofils
Second Bureau Logo

Second Bureau
Second Bureau was a French company that I founded with a partner experienced in the e-retail.
Rooted in agile methods, we assisted our clients in making or optimizing their internet presence - e-commerce, m-commerce and social marketing. Our multicultural teams located in Beijing and Paris supported French companies in their ventures into the Chinese market

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