
Guillaume Roelandts
Driving Growth From Strategy to Execution | Product Management, Marketing, Sales, Business Development | Life Sciences
Salaire / Taux journalier
Nice, France
Mobilité : Paris, Lyon, ...
Freelance, ouvert au CDI
Peut venir sur site
Expertises
Langues
À propos
Introduction
Impact-oriented business leader, Guillaume operates at the intersection of strategy and execution, with a clear bias toward impact, value creation, and building scalable business models in innovation-intensive industries. Guillaume has played a key role in the launch and ongoing development of Quantoom Biosciences, contributing across strategy, product positioning, go-to-market execution, and global business development in the fast-evolving RNA therapeutics ecosystem. Prior to Quantoom, he built a rigorous strategic and financial foundation through experiences at Strategy& (PwC) and Lineas, where he worked on complex transformation, growth, and performance topics. He holds a Master of Science in Business Engineering from Solvay Brussels School of Economics & Management (Université libre de Bruxelles), with a major in General Management, and further strengthened his financial expertise with a Corporate Finance certificate from HEC Paris.
Expérience de travail
Quantoom Biosciences
juil. 2022 - Présent
4 ans 4 mois
Nivelles, Belgique
Business Development & Strategy
oct. 2025 - Présent
1 an 1 mois
Nivelles, Belgique
Head of Products, Marketing & Sales
juil. 2022 - nov. 2025
3 ans 5 mois
Nivelles, Belgique
– Product Management, Marketing (PMM and Marcom), Sales – Global activities organized in three regions: North America, Europe, Global South & APAC
Managing Director
GR-MANAGEMENT srl
juil. 2022 - Présent
4 ans 4 mois
Bruxelles, Belgique
– Management company whose purpose, whether for its own account, on behalf of third parties, or in collaboration with third parties, is to provide work, services, and consulting activities both in Belgium and internationally.
Business Development
ariah.bio
juil. 2025 - déc. 2025
6 mois
06560 Valbonne, France
Chief of Staff to CEO
Quantoom Biosciences
juin 2021 - juin 2022
1 an 1 mois
Nivelles, Belgique
– Contributed to the product development, defined the commercial strategy & GTM, organized the commercial launch, Structured the commercial organization and grew the team from 0 to 9
Chief of Staff - New Venture
UNIVERCELLS
déc. 2020 - juin 2021
7 mois
Bruxelles, Belgique
– Joined Jose Castillo, co-founder/CTO, launching a new venture to generate additional shareholder value by leveraging differentiating capabilities in a high-potential market – Supported the business strategy definition and first organization while coordinating Univercells' corporate functions for the operational setup – Quantoom Biosciences went live on June 17, 2021
Senior Associate
Strategy&
juil. 2018 - nov. 2020
2 ans 5 mois
Bruxelles, Belgique
Associate
Strategy&
nov. 2017 - juin 2018
8 mois
Bruxelles, Belgique
Innovation Project Manager
Lineas
janv. 2017 - oct. 2017
10 mois
Bruxelles, Belgique
– Managed the collaboration with a tech start-up to maximise driving operations safety on night shifts by bringing their fatigue detection solution prototype to the rail market, which involved real-life testing and functionality improvements to meet the needs of (international) train drivers – Supported departement head on the development of the innovation unit set-up (idea to project process, team governance, open innovation framework)
Management Program
Lineas
sept. 2015 - déc. 2016
1 an 4 mois
Bruxelles, Belgique
– 18-month multi-rotational young graduate program focused on fostering the continuous improvement dynamics within the entire firm. Rotations included: – OPERATIONS - TRAIN DRIVING – In response to a strengthening of the European Regulation around rail activities' language proficiency, defined and implemented a structured learning system involving 2 pillars (Self-learning and E-learning) aimed at supporting a French/Dutch knowledge shift to B1 level (CEFR) for ~350 train drivers while cutting overall budget by half (€ 0.5-1M savings) – ASSET MANAGEMENT – Defined a fact-based roadmap to make the wagon fleet (~6,000 wagons) maintenance (50% of a wagon TCO) evolving towards utilization- and condition-based maintenance to (i) increase availability and safety level while (ii) lowering corrective/preventive maintenance costs – BUSINESS DEVELOPMENT – Contributed to the development of a freight mutualisation project aimed at boosting the operational margin of a short-distance train connection by selling the spare capacity – OPERATIONS - GROUND OPERATIONS – Improved the 6-month onboarding training for all ground operators by structuring and digitizing the training content aimed at (i) boosting the communication intensity between the trainee and its local management and (ii) introducing a reporting line to the central management
Student Consultant ; Project Manager ; Quality Manager
Solvay Brussels School Student Consulting Club
mars 2013 - déc. 2014
1 an 10 mois
Bruxelles, Belgique
– QUALITY MANAGER (July 14 - December 14) – Prepared the club for an audit by guiding the steering committee and ensuring an overall compliance with auditor's requirements; Resulted in the club's entry in the European junior enterprises network (JADE) – Supported the club's Knowledge Center Manager in shortlisting 2 platforms to be trialed – Was seated on the 6-member steering committee making all strategic decisions for the club – PROJECT MANAGER (July 13 - December 13) – Coordinated a 6-member team conducting a 8-week study about performance and governance among Brussels SMEs on behalf of BECI (Brussels Enterprises Commerce & Industry) – Results published in "BECI Entreprendre" (May 2014 edition) – STUDENT CONSULTANT (March 13 - May 13) – Took part in a 7-week project for Delhaize Group (now Ahold Delhaize) involving 6 student consultants, we performed both: – Qualitative analysis - to understand the positioning of Delhaize's own brands – Quantitative analysis - to identify sales cannibalization among Delhaize's own brands
Supply Chain Strategy Intern
Otis Elevator Company
mai 2014 - août 2014
4 mois
Bruxelles, Belgique
– Analyzed the national warehouse and identified different types of stock – Defined 4 potential storage/management alternatives in collaboration with Otis' management – Developed finance/logistics/quality-related criteria based on technician & executive interviews – Performed a Multi-Criteria Decision Analysis (MCDA) to compare the alternatives – Recommended a coherent solution considering both MCDA's results and side contraints to allocate the different stocks to the right alternative
Formation
HEC Paris
Executive Education, Corporate Finance (ICCF)
2019 - 2019
1 mois
Solvay Brussels School
MSc, Business Engineering (Advanced Management)
2013 - 2015
2 ans 1 mois
European Business School (EBS) - London
Exchange Programme, International Business
2014 - 2014
1 mois
Solvay Brussels School
BSc, Business Engineering
2009 - 2013
4 ans 1 mois
Centre scolaire du Sacré-Coeur de Jette
Secondary Education, Math / Science
2003 - 2009
6 ans 1 mois
Licences et certifications
Disruptive Strategy with Clayton Christensen
Délivré le : –
Innovation and Competition: Succeeding through Global Standards
Délivré le : –
PRINCE2 Foundation
Délivré le : –