Brian Lejeune

Assistant Teaching Professor and Assistant Dean for Space,  Chemical Engineering

Contact

Office

  • 201 Cullinane
  • 617.373.6190

Research Focus

Integrating computational resources and AI into the classroom creating an interactive environment for a diverse range of learners and adapting to the cutting edge tools and resources industry expects. I leveraging examples in energy, sustainability and Materials focus areas working to inspire students to envision unique solutions to environmental, societal, and technological challenges.

Education

  • PhD, Chemical Engineering, Northeastern University, 2019

Honors & Awards

  • 2026 Fostering Engineering Innovation Award

Professional Affiliations

  • Mineralogical Society of America (MSA)
  • IEEE Magnetics Society
  • American Institute of Chemical Engineers (AICHE)

Research Overview

Integrating computational resources and AI into the classroom creating an interactive environment for a diverse range of learners and adapting to the cutting edge tools and resources industry expects. I leveraging examples in energy, sustainability and Materials focus areas working to inspire students to envision unique solutions to environmental, societal, and technological challenges.

Department Research Areas

Selected Publications

  • Lejeune, B.T., Gorgui Birame Gueye, P., Sanz, D. Archilla, Navarro, E., Vázquez, M., P. del Real, R., Marín, P., Lewis, L. H. “High-Sensitivity Wireless Sensing using Amorphous Magnetic Microwires,” IEEE Sensors Journal 23, (2023).
  • Varma, A., Zhang, X., Lejeune, B.T., Almagro, L., Perez, R., Marin, P., Fitchorova, O., Lewis, L.H., Sundaram, R., “Toward remote and secure authentication: Disambiguation of magnetic microwire signatures using neural networks,” MRS Communications (2022).
  • Lejeune, B.T., Barua, R., Mudryk, Y., Kramer, M.J., Pecharsky, V., Lewis, L. H., “Borderline first-order magnetic phase transition in AlFe2B2,” Journal of Alloys and Compounds 886 (2021).
  • Lejeune, B.T., Barua, R., Simsek, E., Jensen, B. A., Kuhn, D., McCallum, R. W., Ott, RT., Kramer, M. J., Lewis, L. H., “Towards Additive Manufacturing of Mganetocaloric working Materials,“ Materialia 16 (2021).
  • Maât, N., McDonald, I., Barua, R., Lejeune, B.T., Zhang, X., Stephen, G. M., Fisher, A., Heiman, D., Soldatov, I. V., Schäfer, R., Lewis, L. H., “Creating, probing and confirming tetragonality in bulk FeNi alloys,” Acta Materialia 196 (2020).
  • X. Zhang, B.T. Lejeune, R. Barua, L. H. Lewis, “Estimating the in-operando stabilities of AlFe2B2-Based Compounds for Magnetic Refrigeration,” Journal of Alloys and Compounds 823 (2020).

Faculty

Jan 29, 2026

Faculty and Staff Awards 2026

Faculty and staff were recognized at the 28th Annual College of Engineering Faculty and Staff Awards for their exceptional service and dedication in support of students, the COE community, and the university during the 2025-2026 academic year.

Spotlight Story

Jan 21, 2026

Motivation Leads to Action for Sydnie Bayles

Sydnie Bayles, BS’26, chemical engineering, has brought her love for science and philanthropy to Northeastern, participating in many co-ops and extracurriculars. Recently, Bayles and her lab partner, Marissa Darcangelo, garnered a first-place award presenting their research at AIChE 2025.

Students

Nov 07, 2025

Northeastern Nominates 6 COE Students for Prestigious Knight-Hennessy Scholarship

Druhi Bhargava, E’24, computer engineering; Amanda Ferrante, E’26, bioengineering and biochemistry; Kevin Giordano, E’26, mechanical engineering and physics; Victoria Robbins, E’22, chemical engineering; Nishita Roy, E’26, bioengineering, and Zhenming Yang, E’26, electrical and computer engineering were were six of nine nominated by Northeastern for the Knight-Hennessy Scholarship, which develops a community of future global leaders to address complex challenges through collaboration and innovation.

PhD

Oct 31, 2025

Turning Coal Waste into Treasure Extracting Critical Rare Earth Elements for Clean Energy

Chemical engineering student Lawrence Ajayi, PhD’28, received the Certificate of Merit (CoM) from the American Chemical Society’s (ACS) Division of Environmental Chemistry (ENVR) for his research on “Effect of alkali-treatment on microwave-assisted rare earth elements extraction from coal mine tailings,” which he presented at the ACS Fall 2025 National Meeting.

View All Related News