Defining how AI systems can be trusted

Julian Riebartsch

CEO & Founder

Hi there👋 I am CEO and co-founder of Calvin Risk. My academic background is computational physics with a degree from ETH Zurich. In particular, I focused on the development of AI-based forward modeling software of astronomical surveys and dark matter experiments. During the last 4 years, I have worked in Venture Capital, supporting and financing Europe’s upcoming industrial software and hardware companies, most recently at btov Partners. Aside from my desire to help companies transition to high-value, high-performance, low-risk AI, I am passionate about getting to know other cultures and people, kiting into the sunset, and learning more about new technological paradigms!

Dr. Syang Zhou

CTO & Founder

Hi there👋 I’m CTO and co-founder at Calvin Risk. Before Calvin Risk, I spent the last six years in risk management and technology consulting. Additionally, I am part of the stochastic finance research group at ETH, where we are doing research into machine learning methods for finance. In these roles, I had the chance to learn about technology usage in big enterprises and the various challenges connected to it. Outside of work, I love spending time in nature and I am a big fan of indoor rock climbing. Additionally, I love playing chess and always very happy to accept a challenge! ♟

Dr. Johan Wouters

VP, Business Development

Hi there👋 I am Johan and I have supplied AI solutions to large enterprises in automotive, telecommunications, and banking for over two decades. After training my first neural network for his Masters thesis, I have been on a quest to make computer systems sound and think like humans. As a business developer, I launched apps in the Google Play store. As head of product management, I sold and delivered SaaS solutions based on Generative AI to automotive customers. When I am not thinking about AI, I am preparing for the Zurich marathon or memorizing lyrics to sing with a vocal group in the Zurich area.

Dr. Aiko Yamashita

Director, Business Development

Hi there👋 I am Aiko, Director of Customer Success. I have a PhD in experimental software engineering from Oslo University and have been working for 20 years in software and analytics projects as a developer, researcher, data scientist and product owner within a wide range of domains, from healthcare, logistics, to banking. I enjoy working on transformative initiatives involving AI/Data Governance, and on leveraging technologies for pushing forward a more resilient economy and planet. I am also a Board member of the largest University of Norway - NTNU. In my free time, I love cooking, enjoying nature (hiking, swimming, skiing), and watching international movies.

Shijing Cai

AI Researcher

Hi there👋 I joined Calvin Risk as an AI researcher. I have a solid educational background in quantitative finance. During the past years, I have worked at international financial institution, investment management company, and university, where I developed my quantitative analysis skills and gained AI research experience. In the era of artificial intelligence, I am excited to apply these innovative tools together with domain-specific knowledge on solving business problems. In my spare time, I enjoy hiking and immersing myself in nature, doing yoga or workouts at the gym to keep fit, and strolling in cities to discover interesting shops.

Stefan Kokov

Lead Engineer

Hi there👋 I am an AI researcher and software engineer at Calvin Risk. My educational background is in Artificial Intelligence, Computer Science, and Mathematics and I hold a master’s degree from the University of York. I have four years of experience in the research and development of AI systems for the insurance industry. Throughout this time, I have worked on many projects in machine learning, computer vision, and NLP and have gained valuable insight into every step of the development cycle. I am passionate about AI research and innovation and strongly believe in trustworthy, interpretable, and data-centric AI. Outside work, I enjoy traveling to the country side and abroad, playing boardgames, and working on my next DIY home automation project.

Marco De Falco

Director, Business Development

Hi there👋 I’m Marco and I am Business Developer Director at Calvin Risk. My background encompasses a mix of business development and insurance industry expertise, working across European markets to connect innovative solutions with real client needs. I’ve led commercial initiatives that bridge technology and risk management, and I’m excited to bring that experience into the fast-evolving world of AI risk. When I’m not working on building meaningful partnerships, I’m likely exploring my passion for visual storytelling through comics ✏️, enjoying a good hike in the Swiss mountains, hitting the gym, or sharing a homemade meal with friends.

Stefan Karaferovic

Senior Frontend Engineer

Hi there👋 I am a Frontend Web Developer at Calvin Risk. I have a strong mathematical and algorithmic background from my studies at the Faculty of Computing in Belgrade. I am very passionate about anything that has to do with technology, especially Frontend Development and AI.When I am not at work you will find me watching and playing sports, working out in the gym, or hanging out with my friends. I am also a big travel enthusiast, I love exploring the world and meeting new cultures. 🗺️

Todor Mihov

LLM Software Engineer

Hi there👋 I joined Calvin Risk as an AI Software Engineer, with focus on the exciting field of Large Language Models. My educational background involves multiple disciplines from business and economics to machine learning and big data modeling. My experinece in tech and financial institutions allowed me to gather invaluable insights about the data cycle specifics in those fields and my passion for AI helps me leverage this knowledge into building modern algorhitmic solutions. Outside of tinkering with the newest model in town, in my free time i enjoy hiking, playing tennis, spending quality time with friends or just diving in the economics and technology news!

Shelby Carter

Associate Project Manager

Hi there👋 My name is Shelby and I am an Associate Project Manager, specializing in governance implementations with an academic background in finance. My experience includes strategic consulting, stock & options trading, and work with large FIs — leading to my main interests in FinTech, AI applications, and overall optimization of trends. In my free time I enjoy watercolor & oil painting, baking, traveling to unique destinations, and mapping out the best food and drink spots in the area!

Maša Igić

Frontend Engineer

Hi there👋 I'm a Frontend Web Developer at Calvin Risk, with a degree in information systems and technologies. I found inspiration in web development and I'm really passionate about diving into AI and keeping up with the latest innovations. Beyond coding, you'll find me practicing yoga, enjoying time with friends and a large family as an aunt-animator.✨

Stefan Novitovic

Software Engineer

Hi there👋 My name is Stefan, and I work as a software engineer at Calvin Risk. My engineering career began six years ago when I accepted an internship offer and started learning software engineering practices. I’ve spent half my life playing video games and exploring hardware-related topics, which fueled my interest in technology. Over the years, I’ve worked for various companies, ranging from small startups to large corporations, helping them to adapt and stay ahead in an era of rapidly evolving technology. Beyond my engineering passion, I enjoy running which helps clear my mind. A couple of years ago, I founded small running clubs, which have grown since then and include over 10 runners so far. It’s rewarding to see how running has positively impacted their lives as they participate in races across the country and live happier lives.

Strahinja Demic

Senior AI Engineer

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Vuk Ivanović

Frontend Engineer

Hi there👋 I'm a frontend developer who genuinely enjoys turning ideas into interfaces people actually like using. I like getting into the details that most people don't notice, like small animations, spacing, and making sure things feel right, not just look right. I love seeing the product idea come to life. Outside of work, I'm big into driving and love watching car review videos. I train kickboxing a few times a week to stay active and clear my head. Always down for good food.

Tijana Pavlica

QA Engineer

Hi there!👋 My name is Tijana, and I'm a QA Engineer with a background in Information Technology from the Faculty of Sciences in Novi Sad. I enjoy exploring how things work, noticing small details, and looking at problems from different angles. QA is the field that genuinely inspires me, as it allows me to combine precision, curiosity, and dedication, and turn them into something meaningful and useful. Outside of work, you'll find me escaping to the mountains of Lika, spending time with my family, tending to my flower garden, and following the latest fashion trends.

Dr. Mario Könz

DevoOps Support

Hello! 👋 I'm a DevOps Engineer at Calvin Risk with a passion for optimizing and automating complex workflows. With a strong technical background in cloud infrastructure and system administration, I thrive on creating scalable, efficient solutions. My expertise lies in managing CI/CD pipelines, containerization, and deploying applications with minimal downtime. When I'm not at work, you can find me experimenting with the latest tech trends, keeping up with the cloud computing landscape, or tinkering with new tools. I also enjoy staying active, whether it's hiking, cycling, or training for a marathon.

Natalia Wisniewska

Research Intern

Hi there👋 I’m a Research Intern in the Business Team at Calvin Risk. With a background in finance and experience at UBS, HSBC, and the Polish Ministry of Finance, I’ve always been drawn to complex topics, analytical problem-solving, and learning how different industries work. More recently, my curiosity has taken me into the world of AI, where I’m especially interested in the intersection of technology, business, and responsible innovation. Outside of work, I’m happiest exploring new things, whether that means testing a new cake or dessert recipe on a rainy day or heading into the mountains when the sun is out. I love discovering new hiking trails and hidden corners of Switzerland.

Advije Rizvani

AI Research Engineer

Hi there👋 I am an AI Research Engineer at Calvin Risk. Over the past few years, my work and research have combined AI, security, and finance, with a focus on the security and reliability of AI-driven algorithmic trading systems. I have a background in Software Engineering, Business Informatics, and Information Systems, and I am currently finishing my PhD on the security of AI in finance. Outside of work, I love traveling and discovering new places, cultures, and people. I also enjoy reading, hiking, swimming, spending time with friends, watching a good movie, and getting lost in a good story-driven game. I’m naturally curious and always enjoy learning something new. 😊