Ryan Sheriff

About Ryan Sheriff

I design and validate hardware platforms with a deep focus on power delivery. My work spans power architecture from input protection and sequencing to point-of-load regulation, plus PDN/PI (transient response, decoupling strategy, IR drop, return paths) and measurement-driven bring-up. I take designs from prototype bring-up through verification and issue closure, working closely with EE/ME/FW teams to deliver robust, production-ready hardware.I design schematics, guide PCB implementation, and integrate sensors and serial interfaces (UART/I2C/SPI) alongside MIPI DSI/CSI, with SI/PI awareness. On the firmware side, I write C/C++ for test, control, and early system validation, and I support MCU-based bring-up and debugging. I also interface with actuator and motor-drive subsystems (DC motor/stepper/BLDC fundamentals, H-bridges/inverters, current sensing, and protection) at the system level, and I’m familiar with how MCUs and FPGAs fit into board architecture and integration.Core keywords: power tree, PDN/PI optimization, VRM, load-step, decap optimization, SI/PI, board bring-up, clocks/jitter, high-speed interfaces, MIPI DSI/CSI, UART/I2C/SPI, embedded systems, EMI/EMC, thermal, lab validation, Python, C/C++.

Experience

1. Senior Electrical Engineer

   FUJIFILM Sonosite, Inc.

   Jan 2025 — Present · Bothell, WA, US

   To lead the design and development of hardware products (e.g, computer hardware, peripherals, devices, etc.)• To assess, articulate and drive to a conclusion the technical options, risks, and trade-offs across hardware engineering• To ensure the project meets the business metrics for design, schedule, cost, and quality• To work with internal resources, external partners, and vendors in developing product solutions• To regularly meet with teams to execute the vision and strategy of the product.• To designed and optimize power management architectures for advanced medical imaging systems, including isolated DC-DC converters, LDO regulators, and battery charging circuits.• To implement feedback control loops and digital compensation to achieve high-efficiency and low-noise power delivery under dynamic load conditions.• To collaborate with firmware teams to integrate power and thermal management features, ensuring stable operation and compliance with system-level performance goals.• To lead hardware validation and thermal characterization using oscilloscopes, E-loads, and infrared diagnostics to optimize transient response and reliability.• To drive design reviews for cost-effective, scalable solutions, focusing on safety (UL/IEC) and manufacturability.

Education

• Shahed University

  Master of Science - MS, Computer Science and Electrical Engineering

• University of Tehran

  Bachelor of Science - BS, Electrical and Electronics Engineering

Skills

• Autocad
• Leadership
• Microsoft Word
• Electronics
• Linux
• C++
• Electrical Vehicles
• Renewable Energy Systems
• Electrical Engineering
• Project Management
• Simulations
• Microsoft Office
• English
• Latex
• Pspice
• Matlab
• Microsoft Excel
• Powerpoint
• Etap
• Public Speaking
• C
• Programming
• Windows
• Wolfram Mathematica
• Current Regulation Vsi
• Customer Service
• Engineering
• Teaching English as a Second Language
• Control of Ac Machines
• Research
• Adobe Photoshop