Christopher Hemmens Email & Phone Number

Baar, Zoug, Suisse

Lausanne, Vaud, Switzerland

During my engagement with Toptal, I have collaborated on two projects. The first involved building a data cleaning pipeline for a TripAdvisor-style product, overcoming challenges like data compatibility, error correction, and duplicate detection. The second project focused on merging databases for a telecommunications company, utilizing SQL queries.

Yverdon, Vaud, Switzerland

As a part-time scientific researcher at HEIG-VD, I am actively involved in research on Model-X Knockoffs, a framework proposed by Emmanuel Candès in 2018, aimed at reducing the False Discovery Rate (FDR) in machine learning models. With the support of the Management and Engineering School of Vaud, my current focus is on applying this framework to.

Fribourg, Fribourg, Switzerland

Using data from the Swiss Market Index and its stocks' Option data, we built models that optimised the weights for a portfolio of stocks and options that maximised expected return on investment.

Geneva Area, Switzerland

Leveraged machine learning and data science in iKentoo's point-of-sale software for the hospitality sector to enhance operational efficiency, automate tasks, and offer personalized services from 2018 to 2021.Main Activities:- Developed an app estimating waiting times in restaurants during peak hours using simulations based on conditional log-normal.

Geneva Area, Switzerland

During my tenure as the Head of End-User Engagement at Mandat International, I led the delivery of various reports for the EU's Horizon 2020 program. My responsibilities encompassed providing publicly accessible educational resources on topics such as IoT technology, Smart City interfaces, and the GDPR privacy legislation. Additionally, I delivered a.

Geneva Area, Switzerland

• Research Projects:1 Stock Market Irrationality Sentiment:
• Built a time series regression model combining sentiment analysis of irrationality in financial press articles with stock returns from NYSE and NASDAQ.
• Developed a sentiment measure by compiling a lexicon of irrationality-related words and analysing their presence in articles referring to the stock market.
• Conducted Granger causality tests and applied Newey-West standard errors to analyse the relationship between sentiment and stock returns.2 Aesthetic Preferences in Music and Money-Sharing Experiments:
• Created a VBA app for participants to rank musical intervals based on aesthetic appeal.
• Utilised logistic regression models to investigate whether aesthetic preferences in music influenced selections in money-sharing experiments.

Geneva Area, Switzerland

For a brief period, I provided interviewing and TV presenting services to Dukascopy Bank in Geneva. This role required me to research my interviewee, write questions, and conduct the interview. Interviewees included business-men and -women, artists, singers and dancers, and politicians, such as the CEO of the Vote Leave campaign during the run-up to the.

Lausanne Area, Switzerland

I studied topics on finance. This formed part of my preparation for the PhD in Geneva.

Lausanne Area, Switzerland

At Renault Finance I built a piece of software in Excel that read data from a spreadsheet provided by a risk manager, took inputs on order sizes in foreign currencies, and provided a comprehensive breakdown of the entire order's risk profile with a high level of customisation.

London, United Kingdom

I studied the fields of popular psychology and economics and proposed scenarios for the pilot of an educational programme for The Discovery Channel. I also searched for and suggested potential hosts and presenters for the pilot.

London, United Kingdom

During my university studies, I worked part-time at a shop selling videogames and accessories. I had to be informed about new releases, console specifications, and rewards systems while being simultaneously friendly, approachable, and diligent.

Doctor Of Philosophy (Ph.D.), Financial Mathematics

I studied psychological biases and investigated the impact these have pricing and financial decision-making.

Master’S Degree, Mathematics, Second Class Honours: Upper Division

Activities and Societies: Media Group, Choir, GermanI studied mathematics for 4 years eventually specialising in statistics. My degree.