Built by clinicians, engineers, and industry leaders

Lightfield Medical brings together clinical advisors, engineers, and operators with deep experience across ophthalmology, medical imaging, and medtech manufacturing.

Our team combines long-term clinical insight with hands-on technical execution, focused on building systems that work in real-world environments.

Member image

John (Chip) Berestka, MD

John (Chip) Berestka, MD

FOUNDER

A Harvard and Johns Hopkins-trained cornea and glaucoma specialist, he was convinced there had to be a better way to capture, document, and share the eye examination.

Jan Bonel, PhD

Jan Bonel, PhD

FOUNDER

Serial ophthalmology entrepreneur, CEO, advisor, and board member, he has started medical device companies in Europe, America, and Asia, seeing them through to acquisition.

Richard Lindstrom, MD

Richard Lindstrom, MD

CORPORATE BOARD MEMBER

Multiply awarded ophthalmologist, inventor, advisor, author, and editor, Dr. Lindstrom brings 40 years of expertise and guidance to our team as he had served on the boards of over 20 companies.

Rajesh K. Rajpal, MD

Rajesh K. Rajpal, MD

ADVISORY BOARD

Former Chief Medical Officer and Global Head of Clinical & Medical Affairs at Johnson & Johnson Vision, with extensive experience across clinical trials, FDA approvals, and product launches in refractive and cataract surgery. Previously CMO at Avedro (FDA approval of corneal cross-linking), and currently Chief Strategy & Medical Officer at Horizon Surgical Systems. Deep background in clinical development, regulatory strategy, and real-world surgical workflows.

Pablo Artal, PhD

Pablo Artal, PhD

ADVISORY BOARD

One of the best known and most published optical physicists in the world, he is the owner of 20 patents and founder of 5 ophthalmic companies and was awarded the highest scientific medal in Spain.

Dan Durrie, MD

Dan Durrie, MD

ADVISORY BOARD

Founder of the largest company in the office-based surgery industry and named one of the top ten refractive surgeons in the U.S., he has participated in over 150 FDA trials.

Vance Thompson, MD

Vance Thompson, MD

ADVISORY BOARD

Pioneer in every form of refractive surgery with 90 FDA trials, he has matched hundreds of entrepreneurs with mentors through the Eyecelerator Winning Pitch Challenge.

Jose Guell, MD

Jose Guell, MD

ADVISORY BOARD

Founder of ESCRS and EuCornea who performed the world's first LASIK procedure, he now directs the largest European consortium of clinics and heads the largest eye clinic in Spain.

John Berdahl, MD

John Berdahl, MD

ADVISORY BOARD

Founder of three companies in the ophthalmology space and advisor to many other startups, he is also recognized internationally as a leader in cornea, glaucoma, and refractive surgery.

Neda Shamie, MD

Neda Shamie, MD

ADVISORY BOARD

Former medical director of the USC Eye Program and partner in the most prestigious practice in Southern California, she is recognized internationally as one of ophthalmology's rising stars.

William Wiley, MD

William Wiley, MD

ADVISORY BOARD

President of the AECOS, medical director of the Cleveland Eye Clinic, and faculty member at Case Western, he helped pioneer the Light Adjustable Lens and many other refractive procedures.

Matt Jensen, MBA

Matt Jensen, MBA

ADVISORY BOARD

Matt Jensen is a highly successful business leader with a lifetime of experience in marketing, business development, entrepreneurship, and customer experience design.

Rob Thornhill

Rob Thornhill

ADVISORY BOARD

Leader of Tear Film Innovations from a startup to their acquisition by Alcon, he is known for leading several public and private companies, including the largest LASIK provider in the U.S. He is a decorated ophthalmology veteran with over three decades of senior executive experience.

Thomas J. Schumacher, JD

Thomas J. Schumacher, JD

STRATEGIC, AI IMPLEMENTATION & REGULATORY ADVISOR

Former Chief Data & Privacy Officer and AI Counsel at Medtronic, with nearly two decades of experience in global data privacy, AI governance, and regulatory strategy for medical devices. Extensive leadership background across ethics, compliance, AI risk management, and digital health regulation at scale.

The advisory board reflects Lightfield’s commitment to clinical relevance, practical workflows, and technology shaped by real-world use.

Management Team

Lightfield’s management team combines experience in medtech finance, manufacturing, and commercial strategy, supporting the transition from concept to scalable clinical deployment.


CFO & General Manager

Cándido Guerrero, MBA

Cándido Guerrero, MBA


28 years of finance and general management leadership in medtech and biotech.


Manufacturing Manager

Juan Girón, MSc


33 years of manufacturing and industrial engineering leadership.



Quality & Regulatory Manager

Ainhoa Ramos


Medical device quality and regulatory affairs expertise.


Marketing & Growth leadership across healthcare, medtech, and digital business


Marketing & BD Manager

Adrián Güell, MSc


Marketing & Growth leadership across

healthcare, medtech, and digital business.


Marketing & Growth leadership across healthcare, medtech, and digital business

Finance & Operations • Manufacturing & Industrialization • Marketing, Growth & Business Development

Finance & Operations • Manufacturing & Industrialization • Marketing, Growth & Business Development

Finance & Operations • Manufacturing & Industrialization • Marketing, Growth & Business Development

R&D & Engineering Teams

European Headquarters – Barcelona


The core research, development, and engineering teams are based at Lightfield’s European headquarters in Barcelona.

This group is responsible for optical design, software development, mechanical engineering, and production operations.



CSO


CSO

Harilaos
Ginis, PhD

Harilaos
Ginis, PhD

25 years of optical science leadership in ophthalmology and vision technology.


25 years of optical science leadership in ophthalmology and vision technology.



Vice-President of R&D

Dimitrios Christaras, PhD

Dimitrios Christaras, PhD

Biomedical optics and medical imaging leadership in ophthalmology.




Clinical Applications Manager


Clinical Applications Manager

Alex
Pennos, PhD

Alex
Pennos, PhD

Vision science and ophthalmic medical device leadership.



Vision science and ophthalmic medical device leadership.



Software Developer Manager



Software Lead

Juan
Mompeán, PhD

Juan
Mompeán, PhD

Software engineering and technical development leadership in medical

imaging systems.

Software engineering and technical development leadership in medical imaging systems.



Product Engineer Manager

Sergiu
Nicolaescu, MSc

Sergiu
Nicolaescu, MSc

Medical device engineering and systems development support.



Medical device engineering and systems development support.



Product Ops Lead

Marina
Martínez, CFGS

Marina
Martínez, CFGS

Technician, with experience in quality and regulatory in medical devices.


Technician, with experience in quality and regulatory in medical devices.



Product Ops Lead

Pol
Navarro Sotes, MSC

Pol Navarro
Sotes, MSC

Mechanical engineering and product development support in medtech.


Mechanical engineering and product development support in medtech.



Software Development Manager

Sheyla
Nieves, MSc

Senior Software Engineer specialized in scalable software architectures and complex system development.

Medical device engineering and systems development support.



Senior Optics Engineer

Pau
Santos, MSc

Senior Optics Engineer specialized in optical and optoelectronic system design, calibration, and integration.

Senior Optics Engineer specialized in optical and optoelectronic system design, calibration, and integration.



Manufacturing Technician



Manufacturing Technician

Pol
Puigdengolas

Manufacturing Technician focused on device assembly, testing, calibration, and production traceability.

Manufacturing Technician focused on device assembly, testing, calibration, and production traceability.



Manufacturing Technician



Manufacturing Technician

David
Martí

Manufacturing Technician supporting manufacturing, assembly, testing, calibration, verification, traceability, and quality-aligned production of Captura devices.



U.S. Sales Manager



U.S. Sales Manager

Miles
Harper

Sales Manager connecting U.S. market feedback, clinicians, and pilot users with Captura’s commercial and product priorities.


Together, they translate optical science and automation into clinically usable imaging systems, focusing on:


Optical precision and repeatability

Autonomous system behavior

Medical-grade software and cloud infrastructure

Manufacturing readiness and quality processes

One team, one system
From advisory guidance to hands-on engineering, Lightfield is built by teams that understand both the clinical realities and the technical rigor required to deliver reliable medical imaging at scale.

One team, one system
From advisory guidance to hands-on engineering, Lightfield is built by teams that understand both the clinical realities and the technical rigor required to deliver reliable medical imaging at scale.