What Drives Us

Mission: use emerging technologies to drive quantifiable process improvements in transportation, energy, and healthcare fields.

Strategy: advance technologies from the state-of-the-art research to the standardized state of the practice; we are the D in R&D.

Tactic: deliver practice-ready solutions that integrate emerging technologies with context-sensitive subject matter expertise.

People: experienced civil, mechanical, and systems engineers, materials scientists, solution architects, software developers and data scientists.


What We Do

Applied Intelligence

Implement and integrate practice-ready AI techniques, such as machine learning for prediction & classification, evolutionary computation for optimization, federated ML for security & efficiency, physics-guided AI, natural language processing (NLP), Edge AI/ML, and MLOps

physics-informed ML project

Applied R&D

Implement cutting-edge engineering and technology research into practice in Energy and Transportation industries; transfer technology from the state of the art to the standardized state of the practice; Small Business Innovation Research (SBIR) and STTR projects

Software Engineering

Skillful engineering of software architecture, infrastructure, and database; professional development & automated testing; DevOps & DevSecOps; continuous integration & deployment (CI/CD); agile process-oriented product & project management (PMP)

Data Management

Prepare data for analysis; use best practices to design data architecture for collection, QA/QC, storage, documentation, access, governance and security

Domain-Specific Data Science

Democratize data science for professionals in any industry; custom no-code intuitive portals to learn while doing

Infrastructure Asset Management

Make data-driven decisions for infrastructure preservation and maintenance; from forecasting asset conditions to optimizing project portfolios

Woman-Owned Small Business


North American Industry Classification System (NAICS)

541330 - Engineering Services

541511 - Custom Computer Programming Services

541512 - Computer Systems Design Services

541715 - Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

541990 - All Other Professional, Scientific, and Technical Services

SBIR Phase III Contract Vehicle: any Government agency can issue a sole-source contract to Callentis for purchasing concrete durability sensors (developed under US DOT SBIR Phase II) or for further R&D to customize the sensor technology for other specific applications. Please contact us for more information.

Who We Are

Callentis Consulting Group is a small woman-owned research, development, and consulting company, focused on integrating the latest proven technologies into existing business processes to create growth and opportunity. With extensive background in engineering and computational science, our team offers software and hardware development for a variety of science and technology applications, and diagnostic support for data-driven decision processes. We thrive in problem solving and love tackling complex challenges that have global impacts. We have mainly worked in transportation, energy, and healthcare industries but would love a challenge where ever we can make a positive impact.

Meet the Callentis leadership team, supported by experienced civil, mechanical, and systems engineers, materials scientists, solution architects, software developers and data scientists.

Andrew Drach, PhD

Co-Founder & President

Dr. Drach has over fifteen years of experience in numerical modeling techniques, applied statistics, data science, custom software and hardware development, and renewable energy engineering. He has published over 40 peer-reviewed articles, presented at over 20 international conferences, and gave 4 invited talks. He did his postdoctoral training in Computational Engineering and Sciences at the University of Texas at Austin. He holds a PhD in Mechanical Engineering from the University of New Hampshire.

Monika Jociunaite, MS

Founder & CEO

Mrs. Jociunaite has over ten years of experience in business data analysis, creative communication, data visualization, and user experience design. She has extensive experience working in 5 different countries, and assisting large multinational firms with their regional marketing strategies. She has successfully helped more than 15 companies with the creative design of their product and functionality to offer a seamless user experience. Mrs. Jociunaite holds two bachelors degrees in Economics and Business Administration, and two masters degrees in International Business and Marketing.

Nima Kargah-Ostadi, PhD, PE, PMP

Vice President

Dr. Kargah-Ostadi has over fifteen years of experience in applied statistics, data science, machine learning, evolutionary computation, and transportation infrastructure asset management. He has published over 15 peer-reviewed articles, and presented at over 20 conferences, workshops, and webinars. He holds a PhD in Civil Engineering and a doctoral minor in Computational Science from Penn State University. He is a registered Professional Engineer and a certified Project Management Professional.

Reconciling communication and computational science for context-sensitive data-driven digital solutions.

we love diagnostic conversations.

Let us brainstorm together to discover what is working and what needs improvement in your current business process.

computational science is our expertise.

We formulate and quantify your objectives, prepare and clean your data, and then select analysis tools that fit your data and performance metrics.

Start today with a diagnostic conversation.