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.
May 2025 Eager to Build the Next Milestone Together with You.

Revolutionizing BI: A CTO's Guide to Self-Service Insights

Abstract:

Chief Technology Officers have witnessed a shift in Business Intelligence (BI) from centralized to decentralized, self-service models, democratizing data access. Self-service BI is empowered by data analytics, which extracts valuable insights, and data visualization, which simplifies decision-making. Datafication transforms business elements into quantifiable data, while data democratization makes data accessible to all employees. Aligning the roles of technology leaders, including the Chief Technology Officer, Directors of Technology, and Directors of Engineering, is crucial for successful Self-Service BI implementation, enabling informed, data-driven decisions.

Create an abstract illustration in blue tones, depicting the evolution of Business Intelligence from a centralized network to a decentralized, self-service structure. Represent data democratization as interconnected nodes, signifying accessible data points distributed across a vast canvas. Visualize data analytics and data visualization as guiding torches that bring out insights from chaos. Transform abstract business elements into recognizable digital forms, such as charts and graphs, suspended in the space. Include silhouettes of technology leaders, ensuring efficient implementation of self-service BI. Emphasize their collaborative synergy through subtle luminous connections, signifying shared vision in fostering an informed, data-driven culture.
Empowering Business Intelligence with Datafication, Data Visualization, and Data Democratization: A Chief Technology Officer's Perspective

The Emergence of Self-Service Business Intelligence

As a Chief Technology Officer, I have witnessed the evolution of Business Intelligence (BI) from traditional, centralized systems to the current decentralized, self-service model. Self-Service BI has emerged as a powerful tool for organizations, enabling employees at all levels to access, analyze, and visualize data without relying on IT departments or data scientists. This shift has democratized data, allowing for more informed decision-making and fostering a data-driven culture within the enterprise.

The Role of Data Analytics in Self-Service BI

Data analytics, the extraction of valuable insights from raw data, lies at the core of Self-Service BI. With the aid of advanced analytics techniques, organizations can uncover hidden patterns, correlations, and trends within their data, empowering employees to make informed, data-driven decisions. In my experience, data analytics has proven invaluable in driving strategic planning, optimizing operations, and improving overall business performance.

Data Visualization: Bridging the Gap between Data and Decisions

Data Visualization, the graphical representation of data, is another critical component of Self-Service BI. By transforming raw data into easily digestible visual formats, data visualization simplifies the decision-making process. In my role as a CTO, I have observed firsthand how effective data visualization can be in helping non-technical stakeholders understand complex data sets, ultimately leading to better, more informed decisions. Furthermore, data visualization plays a crucial role in identifying outliers, detecting anomalies, and uncovering patterns that might otherwise go unnoticed.

Datafication: The Foundation of Data-Driven Decision Making

Datafication, the transformation of business processes, objects, and activities into quantifiable data, is the backbone of Self-Service BI. By datafying various aspects of an organization, businesses can generate a wealth of information that can be harnessed to drive strategic decision-making. Datafication enables the collection of granular, real-time data, which is essential for effective BI. As a CTO, I have seen the transformative power of datafication in various industries, from finance to healthcare, and have leveraged this approach to improve business processes and drive innovation.

Data Democratization: A Culture of Inclusive Decision Making

At the heart of Self-Service BI is Data Democratization, the practice of making data accessible and understandable to all employees, regardless of technical expertise. Data democratization breaks down the traditional silos that exist between data scientists, IT departments, and business users, fostering a culture of inclusive decision-making. In my experience, data democratization has led to increased collaboration, improved communication, and more informed decision-making across all levels of the organization.

Aligning Roles: Chief Technology Officer, Directors of Technology, and Directors of Engineering

To successfully implement Self-Service BI, it's essential to align the roles of key technology leaders, including the Chief Technology Officer, Directors of Technology, and Directors of Engineering. At the executive level, the CTO should establish a strategic vision for data-driven decision-making, while Directors of Technology and Engineering should focus on the tactical implementation of Self-Service BI tools and platforms. By working together, these leaders can ensure the successful adoption of Self-Service BI, empowering their organizations to make informed, data-driven decisions.

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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.
More...

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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