Killian Coullin

PhD microbiologist with expertise in bacterial stress responses, microbial physiology, mutant phenotyping and transcriptomics. Demonstrated experience in research project management, student supervision, scientific communication and team representation. Interested in applying fundamental microbiology expertise to R&D/R&I, microbiome and skin biology research.

PhD in Fundamental Microbiology - Institut Pasteur, Université Paris Cité - Paris, France

(2023-09 - 2026-09)

In the Biology of Spirochetes Unit (Mathieu Picardeau's lab) and under the supervision of Dr. Nadia Benaroudj, I studied the molecular mechanisms of oxidative-stress response in Leptospira.

• Investigated bacterial adaptation to oxidative stress using complementary transcriptomic and phenotypic approaches.
• Designed and performed experiments using mutant strains targeting antioxidant enzymes and transcriptional regulators.
• Managed 2 multidisciplinary research projects, including experimental design, data analysis and interpretation, manuscript writing, and scientific dissemination.
• Supervised and mentored 5 Bachelor's and Master's students, training them in experimental procedures and laboratory safety practices, and guiding them from daily experimental work to report writing and oral presentation preparation.
• Delivered 5 oral presentations and 6 poster presentations at local and international conferences and seminars, including the Gordon Research Conference (USA), EMBL Symposium (Germany), and Microb'UP (Paris), with experience in adapting scientific content to presentation formats ranging from 5 to 45 minutes.

Teaching Assistant - Microbiology Practical Courses - Institut Pasteur - Paris, France

(2024-09 - 2025-09)

Prepared and supervised two consecutive years of two-week practical laboratory courses for a class 20 Master's students in Microbiology at the Institut Pasteur.

• Developed experimental protocols, planned reagent and material requirements, prepared theoretical and practical teaching materials, and guided students throughout the course.

PhD Student Representative - Microbiology Department - Institut Pasteur - Paris, France

(2025-01)

Represented the interests of PhD students at both departmental and institute levels, facilitating communication between doctoral researchers and scientific leadership.

• Organized a one-day scientific conference for ~50 PhD students, coordinating the program, invited speakers, logistics and communication.
• Contributed to the organization of monthly departmental scientific seminars, coordinating logistics and communication with speakers and participants.

Summer employment — Manufacturing - Food factory

(2019-06 - 2021-08)

Gained early professional experience in manufacturing environments, developing adaptability and professional discipline.

Hip-Hop Dancer & Company Member - Hip-hop dance company

(2019-01)

• Member of a hip-hop dance company involved in collective choreography and stage performances.
• Participated in dance competitions and contributed to the development of a collective stage production.
• Taught hip-hop dance classes, developing communication, pedagogical and leadership skills.

PhD - Fundamental Microbiology - Institut Pasteur, Université Paris Cité (2023-09 - 2026-09)

MSc - Microbiology - Sorbonne université (2021-09 - 2023-09)

BSc - Life Sciences | International class - Université de Rennes 1 (2018-09 - 2021-09)

Baccalauréat - Life and Earth Sciences - Lycée Victor Hugo, Hennebont