Dr. William Cohn is the chief medical officer for BiVACOR, a medical device company creating the first total artificial heart. Photo via TMC

It's hard to understate the impact Dr. William Cohn has had on cardiovascular health as a surgeon at the Texas Heart Institute or on health care innovation as the director of the Center for Device Innovation at the Texas Medical Center. However, his role as chief medical officer of BiVACOR might be his most significant contribution to health care yet.

The company's Total Artificial Heart is unlike any cardiovascular device that's existed, Cohn explains on the Houston Innovators Podcast. While most devices are used temporarily for patients awaiting a heart transplant, BiVACOR's TAH has the potential to be a permanent solution for the 200,000 patients who die of heart failure annually. Last year, only around 4,000 patients were able to receive heart transplants.

"Artificial hearts historically have had bladders that ejected and filled 144,000 times a day. They work great for temporary support, but no one is suggesting they are permanent devices," Cohn says on the show.

The difference with BiVACOR's device is it abandons the bladder approach. Cohn explains that as assist pumps evolved — something his colleague, Dr. Bud Frasier, had a huge impact on — they featured new turbine and rotor technology. Daniel Timms, BiVACOR's founder and CTO, iterated on this technology beginning when he was a postdoctoral student at Queensland University of Technology in Australia.

"BiVACOR is the first artificial heart that leverages what we learned from that whole period — it has no bladders, it has no valves. It has one moving part, and that moving part is suspended in an electromagnetic field controlled by a computer and changed thousands of times a second," Cohn says. "It will never wear out, and that's why we think it's the world's first total artificial heart."

The company is seeing momentum, celebrating its first successful human implantation last month. The device was used for eight days on a patient at Baylor St. Luke’s Medical Center before the patient received a heart transplant.

Cohn says that BiVACOR has plans to use the TAH as "bridge-to-transplant" device in several other surgeries and expects to get FDA approval for that purpose in the next three to four years before working toward clearance for total artificial heart transplants.

Cohn has worked to support medical device startups at CDI at TMC for the seven years it has existed — first under Johnson and Johnson and then under TMC when it took the program over. He describes the center and its location as the ideal place for developing the future of health care, with Houston rising up to compete with regions known for medical device success — both coasts and Minnesota.

"Being in the shadow of the largest medical center on the planet — 106,000 employees show up there every 24 hours," Cohn says, "if you want to innovate, this is the place to do it."

Revisiting a conversation with Dr. Joseph Rogers, president and CEO of the Texas Heart Institute, on the Houston Innovators Podcast. Photo via texasheart.org

Play it back: How this Houstonian is leading heart health innovation

HOUSTON INNOVATORS PODCAST EPISODE 246

Heart health innovation is at a major moment in history — and Houston is at the center of it.

Last summer, Dr. Joseph Rogers, president and CEO of the Houston-based Texas Heart Institute, joined the Houston Innovators Podcast to share how he came to be at the helm of THI, as well as the incredible technologies the institute is working on to address heart failure, a global epidemic affecting at least 26 million people worldwide, 6.2 million adults in the U.S.

This month, one of THI’s technologies reached a major milestone. BiVACOR, a Houston company successfully implanted the company's first Total Artificial Heart in a human. The device was implanted in the patient on July 9. Eight days later, a donor heart became available and was transplanted into the patient, removing the TAH, establishing the device as a successful bridge-to-heart-transplant solution for patients, THI reported.

In addition to this breakthrough in health tech, THI is focused on addressing Cardiometabolic Syndrome at a new conference on Friday, August 23, in Houston. The full-day symposium will take place in collaboration with Arianna Huffington, the founder and CEO of Thrive Global. Dr. Rogers is co-directing the program with Dr. Stephanie Coulter, medical director for THI Center for Women’s Heart & Vascular Health.


In the episode, Rogers explains why he's bullish on Houston and THI leading heart health innovation alongside other health care organizations — nonprofits, universities, local government — to collaborate in ways never been done before. And THI is dedicated to this mission.

"We should act as a convener," Rogers says. "Houston is the place to do this.

"The reason I think this is such an important community to address this problem is it's the most diverse city in the United States. And I've never lived anywhere or heard of another city that I was so convinced believed they could do anything they set their minds to. It's about making the community aware of the problem and a potential solution — and then working on trying to solve it," he continues. "But I think all of the pieces are here to show the world how to do this at a community level."

The Texas Heart Institute is hosting a conference to educate the health care community about Cardiometabolic Syndrome. Photo courtesy of THI

Houston health care organization to host conference about cardiac health crisis

heartbeat heroes

Cardiometabolic Syndrome (CMS) is a major danger to public health around the world. No one knows this better than the Texas Heart Institute, which will host its first Cardiometabolic Syndrome Conference on Friday, August 23.

The conference’s subtitle, “A population health crisis” brings home the unpleasant reality that many recent projections anticipate drastic growth for the condition.

CMS is a combination of interrelated metabolic maladies that are risk factors not just for cardiovascular disease, but also fatty liver disease and cancer. According to THI, the underlying conditions for CMS may include hypertension, insulin resistance and type II diabetes, elevated serum lipids, and obesity, all increasingly common among the global population.

The conference will address the crisis with the help of Arianna Huffington, the founder and CEO of Thrive Global and former editor in chief of The Huffington Post Media Group. Thrive's behavior change technology may be a possible step in the right direction to prevent CMS.

“We are at a pivotal moment in the fight against cardiometabolic syndrome,” Huffington says in a press release. “This conference is not just a gathering of experts, but a catalyst for innovative thinking and actionable solutions. By integrating diverse perspectives and harnessing the collective expertise of our attendees, we can transform disease prevention strategies and improve health outcomes globally.”

THI experts will both lead the conference and participate in discussions. The co-directors are renowned cardiologists, Dr. Joseph G. Rogers, CEO and president of The Texas Heart Institute, and Dr. Stephanie Coulter, medical director for THI Center for Women’s Heart & Vascular Health. Topics will include screening and treatment guidelines, the impact of CMS on children, and integrating social determinants of health into clinical practice. Health professionals among the attendees will include cardiologists, hepatologists and endocrinologists.

“We must transcend traditional healthcare solutions to effectively tackle the rising burden of cardiometabolic syndrome,” says Rogers. “By bringing together key stakeholders and encouraging collaboration among multidisciplinary healthcare professionals, we aim to ignite groundbreaking ideas and forge novel strategies to combat this pressing health crisis."

Speaking of novel technologies, THI and BiVACOR this month reported that they successfully implanted the company's first Total Artificial Heart in a human at Baylor St. Luke’s Medical Center in the TMC.

This week's roundup of Houston innovators includes Ali Mostafavi of Resilitix.AI, Moji Karimi of Cemvita, and Dr. Joseph Rogers of the Texas Heart Institute. Photos courtesy

3 Houston innovators to know this week

who's who

Editor's note: Every week, I introduce you to a handful of Houston innovators to know recently making headlines with news of innovative technology, investment activity, and more. This week's batch includes a resilience innovator, a biotech startup founder, and a cardiac health care leader.

Ali Mostafavi, founder of Resilitix.AI

Ali Mostafavi, founder of Resilitix.AI, joins the Houston Innovators Podcast to discuss how he pivoted to provide important data amid Hurricane Beryl. Photo via tamu.edu

Earlier this month, Ali Mostafavi got an unexpected chance to pilot his company's data-backed and artificial intelligence-powered platform — all while weathering one of Houston's most impactful storms.

Mostafavi, a civil and environmental engineering professor at Texas A&M University, founded Resilitix.AI two years ago, and with the help of his lab at A&M, has created a platform that brings publicly available data into AI algorithms to provide its partners near-real time information in storm settings.

As Hurricane Beryl came ashore with Houston on its path, Mostafavi says he had the opportunity to both test his technology and provide valuable information to his community during the storm.

"We were in the process of fine tuning some of our methods and algorithms behind our technology," Mostafavi says on the Houston Innovators Podcast. "When disasters happen, you go to activation mode. We put our technology development and R&D efforts on hold and try to test our technology in an operational setting." Read more.

Moji Karimi, co-founder and CEO of Cemvita

Thanks to technology advancements, Cemvita is now capable of generating 500 barrels per day of sustainable oil from carbon waste at its first commercial plant. Photo courtesy of Digital Wildcatters

Cemvita is now capable of generating 500 barrels per day of sustainable oil from carbon waste at its first commercial plant. As a result, Cemvita has quadrupled output at the Houston plant. The company had planned to reach this milestone in 2029.

“What’s so amazing about synthetic biology is that humans are just scratching the surface of what’s possible,” says Moji Karimi, co-founder and CEO of Cemvita. “Our focus on the first principles has allowed us to design and create new biotech more cheaply and faster than ever before.” Read more.

Dr. Joseph Rogers, president and CEO of the Texas Heart Institute

BiVACOR and The Texas Heart Institute have celebrated a major milestone in the future of heart health. Photo via texasheart.org

Heart health tech company BiVACOR and The Texas Heart Institute announced that they successfully implanted the company's first Total Artificial Heart in a human at Baylor St. Luke’s Medical Center in the TMC.

The "bridge-to-transplant" device could support an active adult male, as well as many women and children suffering from severe biventricular heart failure or univentricular heart failure.

"With heart failure remaining a leading cause of mortality globally, the BiVACOR TAH offers a beacon of hope for countless patients awaiting a heart transplant,” Dr. Joseph Rogers, president and CEO of THI and national principal investigator on the research, says in a statement. “We are proud to be at the forefront of this medical breakthrough, working alongside the dedicated teams at BiVACOR, Baylor College of Medicine, and Baylor St. Luke’s Medical Center to transform the future of heart failure therapy for this vulnerable population.” Read more.

BiVACOR and The Texas Heart Institute have celebrated a major milestone in the future of heart health. Photo courtesy of BiVACOR

Houston medical device startup implants artificial heart in first human patient

big win

Heart health tech company BiVACOR and The Texas Heart Institute announced that they successfully implanted the company's first Total Artificial Heart in a human at Baylor St. Luke’s Medical Center in the TMC.

The milestone is part of an FDA-approved early feasibility study that will test the safety and performance of the TAH device, which is based on a magnetically levitated rotor that takes over functions of a failing heart while a patient is awaiting a heart transplant, according to a statement from the organizations.

The "bridge-to-transplant" device could support an active adult male, as well as many women and children suffering from severe biventricular heart failure or univentricular heart failure.

"With heart failure remaining a leading cause of mortality globally, the BiVACOR TAH offers a beacon of hope for countless patients awaiting a heart transplant,” Dr. Joseph Rogers, president and CEO of THI and national principal investigator on the research, says in a statement. “We are proud to be at the forefront of this medical breakthrough, working alongside the dedicated teams at BiVACOR, Baylor College of Medicine, and Baylor St. Luke’s Medical Center to transform the future of heart failure therapy for this vulnerable population.”

BiVACOR received approval from the FDA for the early feasibility study in late 2023 and has four other patients enrolled in the study. At the time the study was approved, 10 hospitals were enrolled as possible sites.

“I’m incredibly proud to witness the successful first-in-human implant of our TAH. This achievement would not have been possible without the courage of our first patient and their family, the dedication of our team, and our expert collaborators at The Texas Heart Institute ... our TAH brings us one step closer to providing a desperately needed option for people with end-stage heart failure who require support while waiting for a heart transplant. I look forward to continuing the next phase of our clinical trial,” Daniel Timms, PhD, founder and CTO of BiVACOR, adds.

About 100,000 patients suffering from severe heart failure could benefit from BiVACOR’s artificial heart, the company says. Globally, only about 6,000 heart transplants are performed each year, while 26 million people worldwide are affected by heart failure.

BiVACOR was founded in 2008 and maintains its headquarters in Houston, along with offices in Huntington Beach, California, and Brisbane, Australia.

To date, the company has raised nearly $50.8 million, according to CB Insights. The company raised $18 million in 2023, and $22 million in 2021.

Earlier this year, BiVACOR named a new CEO in Jim Dillon, a longtime executive in the medical device sector.

Last summer, Rogers joined the Houston Innovators Podcast to share his excitement with THI's innovations.


This week's roundup of Houston innovators includes Aziz Gilani of Mercury, Yaxin Wang of the Texas Heart Institute, and Atul Varadhachary of Fannin Innovation. Photos courtesy

3 Houston innovators to know this week

who's who

Editor's note: Welcome to another Monday edition of Innovators to Know. Today I'm introducing you to three Houstonians to read up about — three individuals behind recent innovation and startup news stories in Houston as reported by InnovationMap. Learn more about them and their recent news below by clicking on each article.


Aziz Gilani, managing director at Mercury

Aziz Gilani, managing director at Mercury, joins the Houston Innovators Podcast. Photo via LinkedIn

Aziz Gilani's career in tech dates back to when he'd ride his bike from Clear Lake High School to a local tech organization that was digitizing manuals from mission control. After years working on every side of the equation of software technology, he's in the driver's seat at a local venture capital firm deploying funding into innovative software businesses.

As managing director at Mercury, the firm he's been at since 2008, Gilani looks for promising startups within the software-as-a-service space — everything from cloud computing and data science and beyond.

"Once a year at Mercury, we sit down with our partners and talk about the next investment cycle and the focuses we have for what makes companies stand out," Gilani says on the Houston Innovators Podcast. "The current software investment cycle is very focused on companies that have truly achieved product-market fit and are showing large customer adoption." Read more.


Yaxin Wang, director of the Texas Heart Institute's Innovative Device & Engineering Applications Lab

The project is funded by a four-year, $7.8 million grant. THI will use about $2.94 million of that to fund its part of the research. Photo via texasheart.org

The United States Department of Defense has awarded a grant that will allow the Texas Heart Institute and Rice University to continue to break ground on a novel left ventricular assist device (LVAD) that could be an alternative to current devices that prevent heart transplantation and are a long-term option in end-stage heart failure.

The grant is part of the DOD’s Congressionally Directed Medical Research Programs (CDMRP). It was awarded to Georgia Institute of Technology, one of four collaborators on the project that will be designed and evaluated by the co-investigator Yaxin Wang. Wang is part of O.H. “Bud” Frazier’s team at Texas Heart Institute, where she is director of Innovative Device & Engineering Applications Lab. The other institution working on the new LVAD is North Carolina State University.

The project is funded by a four-year, $7.8 million grant. THI will use about $2.94 million of that to fund its part of the research. As Wang explained to us last year, an LVAD is a minimally invasive device that mechanically pumps a person’s own heart. Frazier claims to have performed more than 900 LVAD implantations, but the devices are far from perfect. Read more.

Atul Varadhachary, managing director of Fannin Innovation

Atul Varadhachary also serves as CEO and president of Allterum Therapeutics. Photo via LinkedIn

Allterum Therapeutics, a Houston biopharmaceutical company, has been awarded a $12 million product development grant from the Cancer Prevention and Research Institute of Texas (CPRIT).

The funds will support the clinical evaluation of a therapeutic antibody that targets acute lymphoblastic leukemia (ALL), one of the most common childhood cancers.

However, CEO and President Atul Varadhachary, who's also the managing director of Fannin Innovation, tells InnovationMap, “Our mission has grown much beyond ALL.” Read more.

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Texas universities develop innovative open-source platform for cell analysis

picture this

What do labs do when faced with large amounts of imaging data? Powerful cloud computing systems have long been the answer to that question, but a new riposte comes from SPACe.

That’s the name of a new open-source image analysis platform designed by researchers at Baylor College of Medicine, Texas A&M University and the University of Houston.

SPACe, or Swift Phenotypic Analysis of Cells, was created to be used on standard computers that even small labs can access, meaning cellular analysis using images produced through cell painting has a lower barrier to entry than ever before.

“The pharmaceutical industry has been accustomed to simplifying complex data into single metrics. This platform allows us to shift away from that approach and instead capture the full diversity of cellular responses, providing richer, more informative data that can reveal new avenues for drug development,” Michael Mancini, professor of molecular and cellular biology and director of the Gulf Coast Consortium Center for Advanced Microscopy and Image Informatics co-located at Baylor College of Medicine and TAMU Institute for Bioscience and Technology.

SPACe is not only accessible because of its less substantial computational needs. Because the platform is open-source, it’s available to anyone who needs it. And it can be used by academic and pharmaceutical researchers alike.

“The platform allows for the identification of non-toxic effects of drugs, such as alterations in cell shape or effects on specific organelles, which are often overlooked by traditional assays that focus largely on cell viability,” says Fabio Stossi, currently a senior scientist with St. Jude Children’s Research Hospital, the lead author who was at Baylor during the development of SPACe.

The platform is a better means than ever of analyzing thousands of individual cells through automated imaging platforms, thereby better capturing the variability of biological processes. Through that, SPACe allows scientists an enhanced understanding of the interactions between drugs and cells, and does it on standard computers, translating to scientists performing large-scale drug screenings with greater ease.

"This tool could be a game-changer in how we understand cellular biology and discover new drugs. By capturing the full complexity of cellular responses, we are opening new doors for drug discovery that go beyond toxicity,” says Stossi.

And the fact that it’s open-source allows scientists to access SPACe for free right now. Researchers interested in using the platform can access it through Github at github.com/dlabate/SPACe. This early version could already make waves in research, but the team also plans to continually improve their product with the help of collaborations with other institutions.

The Ion names new coworking partner for Houston innovation hub

Where to Work

Rice University subsidiary Rice Real Estate Co. has tapped coworking company Industrious as the new operator of the Ion’s 86,000-square-foot coworking space in Midtown. Industrious replaces WeWork-owned Common Desk in that role.

The Ion, owned by Rice Real Estate and located at 4201 Main St., is a 266,000-square-foot office building and innovation hub in the 16-acre Ion District.

Features of the coworking space include private suites and offices, dedicated desks, phone booths and conference rooms. In 2022, Common Desk said it was expanding the space by 28,000 square feet, bringing it to the current size.

“(Industrious’) unparalleled expertise in delivering quality, hospitality-driven workspaces complements our vision of creating a world-class ecosystem where entrepreneurs, corporations, and academia converge to drive innovation forward,” Ken Jett, president of Rice Real Estate, said in a statement.

Natalie Levine, senior manager of real estate at Industrious, says her company will work with Rice Real Estate “to continue to position the Ion as an invaluable contributor to the growth of Houston’s innovation community.”

Dallas-based commercial real estate services company CBRE said Jan. 14 that it had agreed to acquire Industrious in a deal valued at $400 million.

The Ion is Industrious’ second location in Houston. The company’s other local coworking space is at 1301 McKinney St.

Office tenants at the Ion include Occidental Petroleum, Fathom Fund, Activate, Carbon Clean, Microsoft and Chevron Technology Ventures.