The Open Loop with Chay Carter
Neurotechnology is moving fast, but the real story is how it gets built, tested, funded, and scaled. On The Open Loop, we explore the people, companies, and ideas shaping the future of neurotechnology, with honest conversations on what’s being built, what’s working, what’s difficult, and where the industry is really heading next. Hosted by Chay Carter, Founder of Carter Sciences and Reccy Neuro, the podcast brings together founders, researchers, operators, investors, and industry leaders building at the intersection of neuroscience, healthcare, and technology. Expect practical, unfiltered insight on building neurotech companies from research to commercialisation, brain-computer interfaces, neuromodulation, neuro-AI, and emerging technologies, as well as investment, regulation, and the realities of scaling in healthcare.
Episodes
Thinking, Moving and Measuring Brain Health with NERON
In this episode of The Open Loop, Chay Carter is joined by Ryan Glatt and Lauren Sergio of NERON.Ryan is a Brain Health Coach and Director of the FitBrain℠ Program at Pacific Neuroscience Institute, where his work focuses on brain health, exercise science, clinical exergaming, dual-task training, and cognitive wellness.Lauren is a Professor and neuroscientist at York University whose work focuses
Connectomics and the Future of Brain Mapping with Adam Fraser
In this episode of The Open Loop, Chay Carter is joined by Adam Fraser, Chief Operating Officer at Omniscient Neurotechnology.Adam shares how Omniscient is taking connectomics out of the lab and into clinical practice, using AI and MRI data to help decode the brain’s structural and functional networks.We explore how connectomics can support neurosurgical planning today, why brain network mapping c
From Google X to NextSense: Building Brain-Sensing Smartbuds with Jonathan “JB” Berent
In this episode of The Open Loop, Chay Carter is joined by Jonathan “JB” Berent, Founder and CEO of NextSense.JB shares the story behind NextSense, from his early fascination with sleep and lucid dreaming to a Google X project exploring deep sleep enhancement, in-ear EEG, and brain-sensing wearables.We explore why the ear is such a compelling form factor for brain data, how NextSense is building s
Scaling Interventional Psychiatry with William Sauvé
In this episode of The Open Loop, Chay Carter is joined by William Sauvé, MD, Chief Medical Officer at Osmind.William shares his journey from Navy psychiatry and combat mental health care to TMS, interventional psychiatry, Greenbrook, and his current work helping scale mental health infrastructure at Osmind.We explore how psychiatry can move beyond traditional medication management, the access cha
At-Home Brain Stimulation for Depression with Balder Onarheim
In this episode of The Open Loop, Chay Carter is joined by Balder Onarheim, Founder and CEO of PlatoScience.Balder shares his journey from the Norwegian army and engineering design into creativity research, brain stimulation, and building at-home tDCS devices for mental health care.This is a practical conversation about transcranial direct-current stimulation, depression, neuroplasticity, usabilit
What Neurotech Can Learn from Cardiac Digital Health with Ken Nelson
In this episode of The Open Loop, Chay Carter is joined by Ken Nelson, Board Member, investor, venture partner, and advisor across multiple cardiac, digital health, AI, and neurotechnology companies.Ken shares his journey from corporate finance into medical devices, cardiac rhythm management, remote patient monitoring, venture investing, and board roles across companies including Epitel, StimCardi
TMS, Neuroplasticity and Precision Psychiatry with Corey Keller, MD, PhD
In this episode of The Open Loop, Chay Carter is joined by Corey Keller, MD, PhD, Associate Professor at Stanford University and Co-Founder of Alto Neuroscience.Corey shares his journey from engineering and intracranial brain recordings in epilepsy patients to psychiatry, TMS, neuroplasticity, and precision mental health.This is an interesting conversation about what brain stimulation can do today
Making Brain-Computer Interfaces More Accessible with PiEEG
In this episode of The Open Loop, Chay Carter is joined by Ildar Rakhmatulin, Founder and Lead Engineer at PiEEG, and Youssef El Abbassi, Co-Founder and Software Architect at PiEEG.Ildar and Youssef share how they are making brain-computer interfaces more accessible through low-cost EEG hardware and open-source software tools.This is a practical conversation about lowering the barrier to BCI exper
Therapeutic BCIs for Stroke Recovery with Frank Desiere
In this episode of The Open Loop, Chay Carter is joined by Frank Desiere, PhD MBA, CEO of CorTec. Frank shares his journey from molecular biology, medical devices, diagnostics and innovation into leading one of Europe’s most advanced brain-computer interface companies. This is an insightful conversation about therapeutic BCI, stroke rehabilitation, closed-loop neurotechnology, and what it takes to
At-Home Brain Stimulation for Depression with Daniel Månsson
In this episode of The Open Loop, Chay Carter is joined by Daniel Månsson, Chief Scientific Officer and Founder at Flow Neuroscience. Daniel shares his journey from clinical psychology and computer science into building one of the most recognised at-home neurostimulation companies for depression. This is a practical conversation about tDCS, treatment-resistant depression, clinical evidence, and wh
How Spark Biomedical Is Expanding Auricular Neurostimulation with Daniel Powell
In this episode of The Open Loop, Chay Carter is joined by Daniel Powell, Founder of Spark Biomedical. Daniel shares his journey from consulting into more than two decades in neuromodulation, with experience across spinal cord stimulation, DBS, vagus nerve stimulation, and non-invasive auricular neurostimulation. This is a practical conversation about building clinically validated neurotechnology
Personalised Neuromodulation for Alzheimer’s with Ken Mariash
In this episode of The Open Loop, Chay Carter is joined by Ken Mariash, CEO of Sinaptica Therapeutics.Ken shares how Sinaptica is developing a non-invasive, personalised neuromodulation therapy designed to slow the progression of Alzheimer’s disease by targeting the brain networks involved in memory.This is a practical conversation about moving beyond amyloid-only thinking and looking at Alzheimer
The Future of Audio Medicine with Laura Avonius, Founder of Audicin
In this episode of The Open Loop, Chay Carter is joined by Laura Avonius, Founder and CEO of Audicin.Laura is a Finnish entrepreneur, composer, and digital health leader building at the intersection of music, neuroscience, and nervous system regulation.She shares how her journey from behavioural science, tech, and music led to the creation of Audicin, a company developing neuroscience-based audio
The Future of CSF Modulation with Pharaoh Neuro
In this episode of The Open Loop, Chay Carter is joined by Dr Nandan Lad and Amaza Reitmeier, the executive leaders behind Pharaoh Neuro.Nandan is a neurosurgeon at Duke and the inventor behind Neurapheresis, while Amaza brings nearly 25 years of leadership experience from Medtronic, including deep experience in brain therapies and DBS.This is a practical conversation about Pharaoh Neuro’s mission
Building a Nervous System OS with Anoop Antony
In this episode of The Open Loop, Chay Carter is joined by Anoop Antony, Founder and CEO of NeuroX.Anoop shares his journey from psychology and cognitive neuroscience into EEG, brain health, neurofeedback, photobiomodulation, and wearable neurotechnology.This is a practical conversation about making brain health more accessible, understandable, and useful outside traditional clinical and research
The Future of Neurotech Investing with Jordi Parramon
In this episode of The Open Loop, Chay Carter is joined by Jordi Parramon, a neurotechnology operator, investor, and founder of Nexus NeuroTech Ventures. Jordi brings more than 27 years of experience across medical devices, health tech, and venture, with leadership roles spanning Boston Scientific, Verily, and a portfolio of neurotech companies including Cala Health, INSIGHTEC, Rune Labs, Lotus Ne
Inside the Tivic Health Journey with Jennifer Ernst
In this episode of The Open Loop, Chay Carter is joined by Jennifer Ernst, founder and former CEO of Tivic Health (now Valion Bio). Jennifer shares the story behind Tivic’s journey, from consumer bioelectronics and non-invasive stimulation to FDA clearance, retail launch, IPO, supply chain disruption, and a major pivot into biopharma. This is a practical conversation about the rollercoaster journe
How Brainomix Is Bringing AI Into Stroke and Lung Care
In this episode of The Open Loop, Chay Carter is joined by Dr George Harston, Chief Medical and Innovation Officer at Brainomix. George shares how Brainomix is building clinical AI software to support treatment decisions in stroke and fibrosing lung disease, helping clinicians extract meaningful information from medical scans and use it in time-critical patient pathways. This is a practical conver
Restoring Memory with BCIs - Dan Rizzuto
In this episode of The Open Loop, Chay Carter is joined by Dan Rizzuto, President and CTO at Nia Therapeutics. Dan shares how Nia is developing a closed-loop neurostimulation system designed to help patients with memory loss, combining implantable sensing, machine learning, wearable components, and personalised stimulation. This is a practical conversation about the future of cognitive BCIs, what
The Future of Brain Medicine with Owen Muir
In the first episode of The Open Loop, Chay Carter, Founder of Carter Sciences and Reccy Neuro is joined by Dr. Owen Scott Muir, Interventional Psychiatrist, Co-founder & Chief Medical Officer at Radial. Owen shares his personal journey through bipolar disorder, his experience as a clinical trial participant, and how those experiences shaped his mission to build the future of “brain medicine”.
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