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Summary

Experienced R&D Scientist with 5+ years in physiological signal processing, clinical validation and product development. Developed a novel stress metric within 6 months, offering innovative insights into user physiological states. Transformed research prototypes into a production-ready product within 2 years. Committed to creating meaningful health solutions through scientific innovation.

Professional Experience

• MindMics Inc.
  • Senior R&D Scientist
  • Clinical Trials Coordinator
  • Chief Engineer
  • Mechatronics Engineer
• ModeliCon Infotech
  • Systems Engineer
• Sunlux Technologies
  • Software Engineer

Senior R&D Scientist

JUN 2022 - Present | Boston, MA

• Algorithm Development and Implementation: Led the development of a personalized stress metric, from hypothesis to product launch in 6 months, by managing studies and cross-functional integration.
• Clinical Validation Study Conducted a clinical study (n = 20) to validate blood pressure prediction, developing a real-time data quality monitoring and analysis system that addressed device fit issues, increasing usable data by more than 10%.
• Blood Pressure Prediction: Developed advanced signal processing and feature engineering techniques to train machine learning models for blood pressure estimation from in-ear signals, reducing prediction error by over 20%.
• Project Management: Led New Product Introduction for wireless earbuds line, collaborating with cross-functional teams and manufacturers. Developed infrasound testing fixtures that reduced product rejection rates by 50% within 6 months.

Agile Project Management Clinical Study Design Algorithm Development Machine Learning Deep Learning PyTorch

Clinical Trials Coordinator

AUG 2020 - AUG 2021 | Boston, MA

• Developed novel data collection system synchronizing earbud signals with clinical gold standards including (ECG, cardiac catheterization) within 5 ms, enhancing cardiovascular research precision.
• Successfully managed and executed two remote clinical studies (n = 15, NCT05103579 and n=35, NCT04636892) validating biosensing earbuds against established cardiac diagnostic standards.

Project Management Clinical Study Design Human Subject Research

Chief Engineer

JUL 2019 - JUL 2020 | Boston, MA

• Project Management: Led a multidisciplinary team, advanced prototypes to a production-ready product in under 2 years through effective resource management, vendor communications, and fostering cross-functional collaboration.
• Instrumentation Lab: Established an in-house acoustics lab for calibrating and characterizing earbuds, achieving precise infrasound calibration down to 1 Hz to ensure repeatability, reproducibility, and reliability in early-stage hardware development.

Project Management Instrumentation Sensor Characterisation Protytyping

Mechatronics Engineer

NOV 2018 - JUN 2019

• Early-Stage Product Development: As the first employee, led project planning, prototyping, sensor testing, and cross-functional collaboration across hardware and software teams, while conducting user testing to refine usability and product design standards.

Project Management Sensor Characterisation Protytyping

Systems Engineer, Intrumentation and Control

ARP 2017 - ARP 2018 | Bangalore, India

• Early-Stage Product Development: As the first employee, designed, developed, and delivered ModeliCon's inaugural product—an integrated system for a closed-loop real-time simulation using mathematical models and industrial control systems—all within a year.

Project Management Instrumentation Mathematical Modeling

Software Engineer, Instrumentation and Control

FEB 2016 - MAR 2017 | Bangalore, India

• Modeled the internal environment of an Indian Navy vessel to develop and implement a new control algorithm that increased equipment efficiency by 15% while ensuring the system met rigorous military standards for reliability and performance.

Mathematical Modeling Algorithm Development Testing Verification and Validation

Education

Master of Science in Engineering

Concentration: Robotics and Bioengineering, 2020-2022 | Phildelphia, PA

• Specialized in bioengineering, robotics, and machine learning
• Thesis on advanced signal processing for wearable devices
• Independent Study at Rehabilitation Robotics Lab

Award: Outstanding Service Award

Activities: Chair, Professional Council of GAPSA 2020-2021 (Graduate and Professional Student's Assembly)

Graduate Couse

Wearable Devices and Sensor Data, Fall 2018 | Cambridge, MA

• Graduate course on capturing sensor data and building wearable devices
• Project: Using ST SensorTile

Bachelor of Technology

Concentration: Mechatronics, 2011-2015 | Manipal, India

• Specialized in control theory, building electromechanical systems and prototyping
• Thesis on Robot tracking system
• Summer Research Project : Friction Measurement System

Award: TMA Pai Gold Medal for Best Outgoing Student 2014-15

Activities: Technical Secretary, Student Council of MIT (2013-2014)

MIT Bootcamps

• MIT-HMS Healthcare Innovation Bootcamp (2019) (Winner of Pitch Competition)

Coursera

• Course: The Power of Statistics (Google)
• Specialization: Mathematics for Machine Learning (Imperial College London)
• Course: Mathematics for Machine Learning: Linear Algebra
• Course: Mathematics for Machine Learning: Multivariate Calculus
• Course: Mathematics for Machine Learning: PCA
• Specialization: Machine Learning (DeepLearning.AI)
• Course: Supervised Machine Learning: Regression and Classification
• Course: Advanced Learning Algorithms
• Course: Unsupervised Learning, Recommenders, Reinforcement Learning
• Course: Foundations of Project Management (Google)
• Course: Databases and SQL for Data Science with Python (IBM)
• Project: Build Your Portfolio Website with HTML and CSS (Coursera)

Certifications

• Group 1 Biomedical Research Investigators and Key Personnel (CITI)

Publications and Patents

Google Scholar Profile

• Robert Ciesielski, Christine S. Wong, Jal Panchal et al. Non-Invasive Blood Pressure Monitoring with In-ear Infrasonic Hemodynography for Preventative Cardiovascular Care, 13 February 2025. Preprint
• Shen CP , Panchal J, Daniel M, Dimalanta C, Engstrom H, Ciesielski R, Barnacka A, Romero S, Bhavnani SP , Stinis CT . A Novel Earbud Detects Aortic Stenosis Murmur Before and After Transcatheter Aortic Valve Replacement. JACC Case Rep. 2023 Nov 2;28:102089. Link
• Panchal J, Sowande OF , Prosser L, Johnson MJ. Design of pediatric robot to simulate infant biomechanics for neuro-developmental assessment in a sensorized gym. Proc IEEE RAS EMBS Int Conf Biomed Robot Biomechatron. 2022 Aug;2022:10.1109/biorob52689.2022.9925371 Link | Project Details
• Gilliam FR 3rd, Ciesielski R, Shahinyan K, Shakya P , Cunsolo J, Panchal JM, Król-Józaga B, Król M, Kierul O, Bridges C, Shen C, Waldman CE, Ring M, Szepieniec T , Barnacka A, Bhavnani SP . In-ear infrasonic hemodynography with a digital health device for cardiovascular monitoring using the human audiome. NP J Digit Med. 2022 Dec 22;5(1):189. Link
• Wheeler, C. M., Patel, S., Waldman, C. E., Panchal, J., et al. ‘Hearing the Heart’: Validation of a novel digital health earbud technology to measure cardiac time intervals through infrasonic hemodynography. Circulation 144, A11669 (2021). Link
• Gilliam, F . R., Shahinyan, K., Panchal, J., et al. B-AB24-01 MINDMICS: In-ear infrasonic hemodynography for cardiac arrhythmia assessment beyond ECG. Heart Rhythm 18, S46 (2021). Link

Google Scholar Profile

• Barnacka, A., Panchal, J. M., Ring, M. D., Devlin, T. Earbud for detecting biosignals from and presenting audio signals at an inner ear canal and method therefor. US20240348964A1(2024). Link
• Barnacka, A., Panchal, J. M. Synchronous clinical data collection, analysis and reporting system and method therefor. US20230064524A1(2023) Link
• Barnacka, A., Panchal, J. M., Ciesielski, R. Earbud-based auscultation system and method therefor. US20230404518A1(2023) Link
• Barnacka, A., Panchal, J. M. Closed-loop system using in-ear infrasonic hemodynography and method therefor. US20230107691A1(2023) Link
• Barnacka, A., Panchal, J. M., Ring, M. D., Shakya, P System and method for leak correction and normalization of in-ear pressure measurement for hemodynamic monitoring. US20210401311A1(2021) Link

Skills and Tools

• Sensor Technologies
• Software & Tools
• Technical Skills
• Research and Clinical Expertise
• Project Management

Electrocardiogram (ECG) Electroencephalogram (EEG) Photoplethysmogram (PPG) Acoustic Sensing Pressure Sensing Temperature Sensing Motion Sensing

Python Scikit-learn PyTorch Transformers Bokeh MATLAB SQL InfluxDB Embedded C SolidWorks LabVIEW GIT

Biomedical Signal Processing Biophysics Image Processing Time Series Analysis Signal Filtering Multi-variate Analysis Feature Engineering Machine Learning Deep Learning Transformer Based Models LLMs Algorithm Development Testing Verification and Validation Prototyping Data Vizualization Instrumentation Sensor Characterisation

Statistical Analysis Monte-Carlo Simulations Mathematical Modeling Exploratory Data Analysis First Principles Thinking Root Cause Analysis Human Subject Research Clinical Study Design Design of Experiments

Agile Project Management User Testing Cross-functional Team Leadership Product Development Stakeholder Mapping

Major events timeline