Sebastien Gemmer
AeroLeads people directory · profile

Sebastien Gemmer Email & Phone Number

Head of HR Development @ CGDIS | Work & Organizational Psychologist at CGDIS - Corps grand-ducal d'incendie et de secours
Location: Bascharage, Luxembourg 5 work roles 3 schools
LinkedIn matched
✓ Verified July 2026 3 data sources Profile completeness 100%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Role
Head of HR Development @ CGDIS | Work & Organizational Psychologist
Location
Bascharage, Luxembourg
Company size

Who is Sebastien Gemmer? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Sebastien Gemmer is listed as Head of HR Development @ CGDIS | Work & Organizational Psychologist at CGDIS - Corps grand-ducal d'incendie et de secours, a with 112 employees, based in Bascharage, Luxembourg. AeroLeads shows a matched LinkedIn profile for Sebastien Gemmer.

Sebastien Gemmer previously worked as Head of HR Development at Cgdis - Corps Grand-Ducal D'Incendie Et De Secours and Recruitment & HR Development Specialist at Cgdis - Corps Grand-Ducal D'Incendie Et De Secours. Sebastien Gemmer holds Master'S Degree In Psychology: Evaluation & Assessment, Industrial And Organizational Psychology, With Honors (Très Bien) from University Of Luxembourg.

Company email context

Email format at CGDIS - Corps grand-ducal d'incendie et de secours

This section adds company-level context without repeating Sebastien Gemmer's masked contact details.

CGDIS - Corps grand-ducal d'incendie et de secours

Review company-level records connected to Sebastien Gemmer before choosing the right outreach path.

Profile bio

About Sebastien Gemmer

With a background in Industrial and Organizational Psychology and a highly multicultural foundation, I bring a multifaceted perspective to my work in HR. Specializing in professional development and diversity, I focus on creating strategies that enhance organizational dynamics and cultivate inclusive cultures.At the heart of my role is a commitment to developing effective talent management strategies. I'm deeply involved in refining talent retention and leadership development practices, and I embrace the challenge of blending new HR approaches with established practices. For me, it's about creating an environment where continuous learning and professional growth are not just encouraged but are part of our DNA.The dynamic nature of the business world fuels my enthusiasm. I thrive on adapting to these changes, using my insight into organizational behavior and a hands-on approach to people management. My aim is to build teams that are not only high-performing but also resilient and closely aligned with company goals. Above all, I prioritize creating a workplace where people genuinely enjoy what they do.I'm always open to connecting with fellow professionals. Whether it's for sharing insights, exploring collaborative opportunities, or just having an interesting conversation about improving the way we work, feel free to reach out!

Listed skills include Communication, Mediation, Collaborative Problem Solving, Public Speaking, and 39 others.

Current workplace

Sebastien Gemmer's current company

Company context helps verify the profile and gives searchers a useful next step.

CGDIS - Corps grand-ducal d'incendie et de secours
Cgdis - Corps Grand-Ducal D'Incendie Et De Secours
Head of HR Development @ CGDIS | Work & Organizational Psychologist
luxembourg, luxembourg
Website
Employees
112
AeroLeads page
5 roles

Sebastien Gemmer work experience

A career timeline built from the work history available for this profile.

Head Of Hr Development

Current

Luxembourg

• Lead and implement a talent management strategy, emphasizing talent retention, leadership development, and succession planning to enhance organizational capabilities• Develop and execute a diversity and inclusion program, incorporating surveys for increased minority representation and fostering an inclusive culture, including psychosocial risk prevention• Innovate HR by integrating modern software and advanced analytics, enhancing recruitment efficiency, and overseeing psychological assessments during recruitment and development• Implement an advanced learning and professional development model, promoting an academy culture and lifelong learning, including leadership development initiatives• Regularly update a strategic HR roadmap, aligning HR initiatives with institution goals and budget constraints, focusing on operational efficiency, and incorporating psychosocial risk mitigation strategies• Initiate and manage a comprehensive workplace wellbeing program, including stress management workshops, mental health initiatives, and employee support systems• Lead and collaborate on key organizational initiatives, focusing on maintaining a harmonious work environment, ensuring business continuity, and integrating leadership assessments and development• Introduce and establish agile HR practices, optimizing processes for adaptability, and incorporating advanced assessment methods in talent management• Oversee grievance resolutions, disability accommodations, and offboarding processes, ensuring legal compliance and strategic HR management• Cultivate a high-performance culture through a feedback-centric environment and performance-based reviews, continually assessing and nurturing leadership qualities• Forge and maintain relationships across the institution, collaborating closely with executive leadership to align HR strategies with the company's vision, and actively engaging in effective change management to strengthen organizational resilience and adaptability

Jun 2021 - Present

Recruitment & Hr Development Specialist

Luxembourg

• Designed and applied recruitment and executive search processes with precision, focusing on crafting job descriptions, candidate pre-selection, and interviews to ensure the ideal fit for each role• Strategically helped to develop and expand the HR department, emphasizing organizational development, streamlined recruitment processes, and the creation of a dynamic, adaptable HR infrastructure• Designed and performed in-depth personality, competency, leadership, and psychological evaluations of both current employees and potential hires, utilizing these insights to strengthen the team's composition and individual career paths• Led talent management initiatives, focusing on professional growth and career development, enhancing employee retention, and establishing evaluation and development programs• Designed and implemented onboarding and offboarding protocols, prioritizing integration into the company culture and facilitating transitions for all employees• Took responsibility for employee well-being, offering mediation, fostering a culture of collaborative problem-solving, and providing orientation and psychological support to promote a healthy, productive work environment• Enhanced HR's public relations, actively building and maintaining a strong internal and external HR network to support our organizational objectives and foster a positive employer brand

Mar 2019 - Jun 2021

Recruiter & Hr Generalist

• Assisted in the recruitment process, including drafting job descriptions and conducting initial candidate screenings• Supported HR department activities, focusing on basic organizational tasks and helping with the implementation of recruitment strategies• Participated in preliminary assessments of candidates' skills and personality traits to aid in the selection process• Helped in coordinating basic talent management tasks, such as organizing training sessions and contributing to employee retention efforts• Aided in the development of onboarding procedures, ensuring a smooth introduction of new hires to the company environment

Oct 2018 - Mar 2019

Founder

Wlg

Luxembourg

• Led the inception, growth, and branding of the startup, overseeing all financial operations, brand development, media relations, event organization, and team recruitment and training• Successfully designed and executed a series of high-profile events, attracting over 10,000 visitors and participants• Forged strategic partnerships and sponsorships with more than 20 organizations, enhancing brand visibility and establishing a solid network of collaborative relationships• Facilitated cross-functional collaborations with partners for consulting projects, event creation, and media outreach, leveraging a broad network to achieve mutual goals• Developed and maintained the company’s online presence by creating websites and managing social media channels (Twitter, Facebook, Snapchat, etc.), acting as community manager to engage and expand the audience• Promoted the growth and development of the esports community in Luxembourg and the Greater Region, establishing a significant footprint and fostering community engagement• Led a diverse team of over 25 employees and volunteers across multiple departments, ensuring efficient management, supervision, and team building to support the company's strategic objectives• Organized annual charity events for Make A Wish Luxembourg (now Kanner Wonsch ASBL), demonstrating a commitment to social responsibility and community support

Dec 2012 - Dec 2018

Hr & Recruitment Trainee

Luxembourg

• Designed and participated in the interview process for the 2017 selection of 70 firemen, ensuring a thorough and effective recruitment strategy• Conducted in-depth evaluations of firemen and employees' competencies and psychological profiles during the recruitment phase, contributing to a capable and resilient workforce• Helped in driving change management and mediation efforts amidst organizational reform, guiding the institution through the transition to a revamped work structure and culture• Undertook a comprehensive assessment of leadership qualities within the firefighting brigades' superiors in Luxembourg, analyzing their influence on team well-being and motivation, thereby informing targeted organizational management improvements

Sep 2017 - Jun 2018
Team & coworkers

Colleagues at CGDIS - Corps grand-ducal d'incendie et de secours

Other employees you can reach at 112.lu. View company contacts for 112 employees →

3 education records

Sebastien Gemmer education

Master'S Degree In Psychology: Evaluation & Assessment, Industrial And Organizational Psychology, With Honors (Très Bien)

Thesis Title: "The constants of a workplace: The relation between employee well-being & motivation, perceived work contexts & executive.

Diplôme De Fin D'Études Secondaires Classiques

Lycée Hubert Clément
FAQ

Frequently asked questions about Sebastien Gemmer

Quick answers generated from the profile data available on this page.

What company does Sebastien Gemmer work for?

Sebastien Gemmer works for CGDIS - Corps grand-ducal d'incendie et de secours.

What is Sebastien Gemmer's role at CGDIS - Corps grand-ducal d'incendie et de secours?

Sebastien Gemmer is listed as Head of HR Development @ CGDIS | Work & Organizational Psychologist at CGDIS - Corps grand-ducal d'incendie et de secours.

Where is Sebastien Gemmer based?

Sebastien Gemmer is based in Bascharage, Luxembourg while working with CGDIS - Corps grand-ducal d'incendie et de secours.

What companies has Sebastien Gemmer worked for?

Sebastien Gemmer has worked for Cgdis - Corps Grand-Ducal D'Incendie Et De Secours, Wlg, and Administration Des Services De Secours.

Who are Sebastien Gemmer's colleagues at CGDIS - Corps grand-ducal d'incendie et de secours?

Sebastien Gemmer's colleagues at CGDIS - Corps grand-ducal d'incendie et de secours include Laurent Massard, Mike Jaerling, Claude Majerus, Matthias Maes, and Kevin Bast.

How can I contact Sebastien Gemmer?

You can use AeroLeads to view verified contact signals for Sebastien Gemmer at CGDIS - Corps grand-ducal d'incendie et de secours, including work email, phone, and LinkedIn data when available.

What schools did Sebastien Gemmer attend?

Sebastien Gemmer holds Master'S Degree In Psychology: Evaluation & Assessment, Industrial And Organizational Psychology, With Honors (Très Bien) from University Of Luxembourg.

What skills is Sebastien Gemmer known for?

Sebastien Gemmer is listed with skills including Communication, Mediation, Collaborative Problem Solving, Public Speaking, Statistical Data Analysis, Strategic Planning, Leadership, and Competency Assessment.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.