About us

Hi! We are LMentary Engineering.

We solve problems and help create innovative engineering solutions for our clients.

Our dedicated team is adept at identifying challenges and providing effective solutions that go beyond conventional approaches. Whether it’s optimizing existing processes, overcoming technical hurdles, or pioneering new advancements, we approach each project with a commitment to excellence and a passion for innovation. Our goal is to not only solve problems but to be a catalyst for transformative and forward-thinking engineering solutions that propel our clients toward success.

Industry's leading experts

A team that will complement your capabilities and help your business succeed!

At LMentary, we firmly believe that our experts are our greatest pride and asset. They are the driving force behind our success, bringing their unique talents, dedication, and passion to everything they do. Through their dedication and expertise, they deliver exceptional solutions and services that meet our clients’ needs, driving their businesses forward and fostering long-lasting partnerships built on trust and excellence. 

Our Founder

Michael Leshchiner is the Founder and Principal of LMentary Engineering, driven by a passion for clean technology and renewable energy, with over two decades of experience in the field. He has held key roles at a solar bio-fuels startup, an energy storage company, and multiple fuel cell startups, including co-founding one. LMentary marks his third venture as a founder/co-founder.

With a strong technical background in mechanical engineering, thermodynamics, heat transfer, fluid mechanics, and reaction engineering, Michael is an expert in designing heat exchangers, burners, and chemical and bio-reactors. He has contributed to the design and analysis of systems featuring various prime mover options and advanced power cycles, such as fuel cells, batteries, internal combustion engines, gas turbines and compressors, and combined heat and power systems.

Michael also brings extensive business and management experience to the table. He has been involved in assessing novel and competing technologies, strategic planning, and has a proven track record in technology and product development.

Michael holds a Diploma in Mechanical Engineering from the Ukraine Institute of Technology and a Masters in Mechanical Engineering from the Massachusetts Institute of Technology.

You can connect with Michael on LinkedIn or via Email

Our Team

In addition to Michael’s extensive background and professional skills, LMentary Engineering boasts a team of highly qualified professionals comprising industry experts, current and former university professors, and postdocs. While our core team is based in the Boston area, we also have a dedicated contingent of experts in Eastern Europe, enhancing our cost competitiveness for even the most specialized and expensive services.

Our expertise spans across various areas of chemical and mechanical engineering, and our predominantly PhD-level staff can seamlessly complement any firm’s internal capabilities. From fundamental engineering tasks such as mechanical design and drafting to intricate engineering analyses involving CFD and FEA, we offer comprehensive services. Moreover, we possess manufacturing and prototyping capabilities, making us a versatile on-demand engineering resource with a broad spectrum of capabilities to meet diverse project needs.

Get in touch! We are looking forward to help you with your project.