Thomas Vassiliades, CEO of BiVACOR, joins the Houston Innovators Podcast. Photo courtesy of BiVACOR

Heart disease is one of the most common causes of death in the United States — one in five deaths, according to the CDC. But there's not a long-term solutions for patients — even for those lucky enough to have a successful heart transplant. But a Houston-headquartered medical device company is working on one.

BiVACOR has created a technology that, theoretically, could completely replace a patient's heart and last them the rest of their lives.

"The design is critical," says Thomas Vassiliades, CEO of BiVACOR, on the Houston Innovators Podcast. He joined the organization last year after spending 20 years of a heart surgeon, then transitioning to medical device development over a decade ago.

Vassiliades explains the industry's challenges on the show, saying that there's no comprehensive, lasting replacement to the human heart on the market. While some treatments — like transplants and medical devices that partially replace the heart's capabilities — exist, nothing that completely replaces the heart lasts longer than 10 to 12 years.

"The BiVACOR system is based on magnetic levitation," Vassiliades says about the technology. "Our pump is just one moving impeller that sits in the middle of the housing where the blood is. Imagine an artificial heart — the container that has your blood — and the device spinning in the inside — basically a wheel spinning your blood to the rest of your body.

"The device is suspended by magnets — it's not touching anything," he continues. "So, theoretically, the device has no wear and can last as long as the patient can possibly live. That's new to the field."

Daniel Timms, BiVACOR's founder and CTO, knew there had to be a better, more permanent solution and has been working on the technology since he was a postdoctoral student at Queensland University of Technology in Australia. His work took him to Houston's Texas Heart Institute, the "center of the universe when it comes to blood pumps," says Vassiliades.

The company recently raised $18 million in funding to support its growing team and continued growth. BiVACOR is a Class 3 medical device — the most rigorously regulated type of device, so the funding raised will support the company as it continues to meet the FDA's requirements and proceeds into implantation and clinical trials.

While headquartered in Houston and has close ties to THI, most of BiVACOR's team works out of Huntington Beach, California, just 30 minutes away from its manufacturing partner — something that has been critical for the design phase. Other employees work in Europe and Australia, which has resulted in government grant funding. Each market the company works in has a strategic purpose — and Houston's role is testing.

"We're going to be training all our clinical sites in Houston, and we're going to continue to do ongoing testing," he says. "We're very comfortable with the design of the device, ... but there's always more. And we have a long-term plan to iterate on the device to make it even better."

Vassiliades shares more of the challenges he's facing as he commercializes BiVACOR's technology on the podcast. Listen to the interview below — or wherever you stream your podcasts — and subscribe for weekly episodes.


BiVACOR named Thomas Vassiliades as CEO effective immediately. Photo courtesy of BiVACOR

Former Medtronic exec takes the helm of Houston med device startup

mover and shaker

A Houston-based preclinical artificial heart device company has a new head honcho as it grows its team and further develops its technology.

BiVACOR named Thomas Vassiliades as CEO effective immediately. He replaces the company's founder, Daniel Timms, in the position. BiVACOR is on track to head toward human clinical trials and commercialization, and Vassiliades is tasked with leading the way.

“BiVACOR led an extensive CEO search, and Tom was the clear choice given his experience, background, leadership style, and exceptional track record,” says Timms in a news release. “Tom has the skillset and credibility to guide BiVACOR through its next chapter of transformation and advancement as we undertake the next stage of clinical activities leading up to First in Human early feasibility studies.”

Vassiliades has over 30 years of experience within the medical device industry as well as cardiothoracic surgery. He was most recently the general manager of the surgery and heart failure business at Abiomed and held several leadership roles at Medtronic. Dr. Vassiliades received his MD from the University of North Carolina, and his MBA was achieved with distinction at Emory University.

“I am excited and honored to join the BiVACOR team, working closely with Daniel and the entire team as we look forward to bringing this life-changing technology to the market,” says Dr. Vassiliades in the release. “Throughout my career, I’ve been guided by the goal of bringing innovative cardiovascular therapies to the market to improve patient care and outcomes – providing solutions for those that don’t have one. BiVACOR is uniquely well-positioned to provide long-term therapy for patients with severe biventricular heart failure.”

Timms will take over BiVACOR's technical team working on the Total Artificial Heart system as CTO. The device, billed as the first long-term therapy for patients with severe heart failure, is an implantable artificial heart based on rotary blood-pump technology. Similar in size to an adult fist, it is small enough to be implanted in many women and some children yet capable of delivering enough cardiac power to a man who's exercising. Unlike the two-chamber human heart, BiVACOR's device features a single chamber.

The medical device company, which has operations in Houston and Australia, recently announced the addition of eight new employees doubling their team. The growth comes following its series B raise last year.

“It is a testament to the great progress the team has made and to the importance of the unmet clinical need addressed by the Total artificial Heart technology," Timms says on the appointment of Vassiliades. "We look forward to Tom’s leadership as BiVACOR navigates the path to commercialization.”

In the latest round up of Houston innovation news you may have missed, a health tech startup has grown its team, a coworking company opens its latest location, and more. Shobeir Ansar/Getty Images

Houston named a top market for remote tech workers, startup doubles its staff, and more innovation news

short stories

Houston is starting 2022 strong in terms of innovation news, and there might be some headlines you may have missed.

In this roundup of short stories within Houston startups and tech, the Bayou City is ranked based on its ability to employ remote tech talent, a coworking company opens a new location, a med device startup doubles its staff, and more.

New report finds Houston a top market for remote tech talent

Houston is a top city for employing remote tech workers. Graphic via Karat

In a new report, Karat — a Seattle-based human resources company — looked at which metros were best for attracting remote tech talent. The company first completed the report based on 2020 due to a changing workforce spurred by the pandemic.

"Last year we took our first look at the rapidly expanding remote software engineer hiring landscape. As more organizations shifted to remote or hybrid working models we had started to see significantly improving candidate performance outside of the more-established tech hubs," writes Patrick Wu, data analyst at Karat, in a blog post. "Today, as even more top tech companies commit to hiring remote software engineers, we’re taking a look at how this landscape has continued to evolve."

Houston ranked No. 6 this year in the list of 10 metros just ahead of No. 7 Austin. Last year, Houston ranked as No. 2 and Dallas at No. 9, but that North Texas metro fell off the top 10 for 2021. Pittsburgh maintained its top spot on this list year over year.

Houston artificial heart company makes strategic hires

This med device company has eight new team members. Photo via bivacor.com

BiVACOR, a Houston-based cardiatric medical device company, announced that it has doubled the size of its team with the addition of eight team members. The growth comes following its series B raise last year.

“The diversity of skills and experience throughout the company is something we are very proud of, and I am pleased to welcome this all-star group of individuals to the team,” says Daniel Timms, BiVACOR founder and CEO, in a December news release. “They will each play an integral role in the overall accomplishments of BiVACOR, specifically as we undertake benchtop and preclinical verification activities so that we can commence our First in Human early feasibility study in the near future.”

Here's who recently joined the company at both its United States and Australia-based operations:

  • Nathan Kong, purchasing administrator
  • Farhad Akhavan, systems engineer
  • David Duarte, verification and validation engineer
  • Paul Chiver, manufacturing technician
  • Lindsey Brede, financial controller
  • Dawnel Scott, director QA/RA
  • Mairi Maclean, director of product development
  • Nicole Bartnikowski, scientific manager (Australia)

“Having the ability to attract and hire individuals with the industry knowledge and pedigrees of this world-class team is a testament to how BiVACOR is perceived in the industry," Timms continues. "Each of them brings a unique perspective and skillset to BiVACOR and will play an important role in furthering our technology.”

BiVACOR is developing its Total Artificial Heart, or TAH. The device, billed as the first long-term therapy for patients with severe heart failure, is an implantable artificial heart based on rotary blood-pump technology. Similar in size to an adult fist, it is small enough to be implanted in many women and some children yet capable of delivering enough cardiac power to a man who's exercising. Unlike the two-chamber human heart, BiVACOR's device features a single chamber.

Coworking company opens new Houston location

Common Desk has a new West Houston location. Photo via Common Desk

Dallas-based Common Desk has announced the opening of its newest location in Westchase District. The flexible workspace company opened its first location in Houston in October 2020 and unveiled four more locations since then. The company shares in a news release that two more spots will be opening in 2022.

Common Desk - Westchase (2500 CityWest Blvd) ha 20,000 square feet of coworking space with 54 private offices, four office suites, six conference rooms, and shared space. Tenants will have access to an outdoor space, reserved and unreserved garage parking, a fitness center, and Common Desk's coffee brand, Fiction Coffee.

"When thinking about expanding our reach in the city, we knew we wanted to be somewhere in West Houston,” says Bobby Spoden, community sales manager at Common Desk, in the release. “Community comes first at Common Desk, and we love that the Westchase District shares the same value. We couldn't be more excited and honored to become part of the rich community in the West Houston area, and we're looking forward to the new additions to our vibrant member base."

Houston fintech unicorn expands on partnership with software company

HighRadius has deepened its partnership with Genpact. Photo via highradius.com

New York-based Genpact and Houston-based HighRadius announced the expansion of their strategic partnership. The expanded partnerships means the merging HighRadius's Autonomous Software platform with Genpact’s global accounts receivables and digital process and delivery expertise to enhance client experience across the board.

“Now more than ever, the finance function plays a vital role in leading businesses through crises, providing agility and insight that lead to greater resilience. To thrive, organizations must connect, predict and adapt at speed, placing data at their core and embracing digital technologies,” says Tiger Tyagarajan, CEO at Genpact, in a news release. “Bringing our two companies together in even deeper partnership will allow a new level of predictive intelligence that can derive meaningful insights and lead to impactful action for our clients.”

The duo originally teamed up in February of 2020 to bring together their expertise — digital automation solutions and advanced machine learning and artificial intelligence.

“If we paint the picture of the future of finance, and therefore the future of the CFO and the CFO organization, we think about the world of the CFO as one where technologies will basically allow them to make decisions every minute,” says Sashi Narahari, founder and CEO at HighRadius, in the release. “Prediction is what the machine will do. Decision, judgment and experience are never going to go away from human beings. So, humans are going to spend more time than they do today on decisions and examining business outcomes. That’s where the HighRadius and Genpact partnership can make a big difference.”

3 deadlines approach for Houston startup opportunities

Don't miss these three founder opportunities. Photo via Rice

Three different entrepreneurial opportunities have deadlines quick approaching.

  • The Rice Business Plan Competition, which is planned for April 7-9 this year, has its applications open until January 31. Any graduate-student startup, in a broad range of industries, from any university, in any degree program, in any country, can apply to the RBPC. Learn more about the competition and how to apply online at https://rbpc.rice.edu/compete.
  • Applications are open for the Black Girl Ventures Change Agent Fellowship, a nine-month leadership skills development program for Black and Brown women entrepreneurs and ecosystem builders. Selected applicants, who must be based in Los Angeles, New York, Chicago, Miami, Houston or Detroit, will each receive a $10,000 stipend. The time commitment is about 8 hours/month. The deadline to apply is January 31, 2022, and decisions will be made by mid-February. Learn more and apply at https://www.blackgirlventures.org/fellowship.
  • The 2022 HCC Business Plan Competition has applications open through January 28. The BPC will begin in late February and run through early June, with six free, virtual, 1.5 hour training  sessions. To learn more about the program and eligibility, click here.

Through a series B round and a federal grant, BiVACOR has raised $22 million in funding ahead of human trials. Photo via bivacor.com

Houston-based artificial heart company snags $22M in fresh funds

money moves

Houston-based medtech company BiVACOR has picked up $22 million in funding — in the form of a series B round and a federal grant — to propel development of its Total Artificial Heart device for treatment of severe heart failure.

In a May 19 news release, BiVACOR says it received a series B round of $19 million and a National Institutes of Health grant of $3 million. Boston-based Cormorant Asset Management and Australia's OneVentures, through its OneVentures Healthcare Fund III, led the round.

OneVentures first invested in BiVACOR three years ago. According to Australia's Financial Review, OneVentures initially pumped $3 million (Australian dollars) into BiVACOR, with the potential of contributing as much as $10 million if BiVACOR met certain milestones. BiVACOR received a round of seed funding from U.S. investors in 2013.

"BiVACOR's one-of-a-kind technology is supported by a remarkable team that has moved this technology a significant distance toward the clinic," Paul Kelly, managing partner of OneVentures, says in BiVACOR's news release.

The fresh cash will support preparation for the first human trials of the device. As a short-term measure, the device can be implanted in someone awaiting a heart transplant. It's also designed to be a long-term alternative to a heart transplant.

The BiVACOR device, billed as the first long-term therapy for patients with severe heart failure, is an implantable artificial heart based on rotary blood-pump technology. Similar in size to an adult fist, it is small enough to be implanted in many women and some children yet capable of delivering enough cardiac power to a man who's exercising. Unlike the two-chamber human heart, BiVACOR's device features a single chamber.

"The commitment and interest from our investors validate our technology and the need for improved options to treat end-stage biventricular heart failure," says Daniel Timms, founder and CEO of BiVACOR. "With this financing, we will be able to expand our world-class team and undertake … verification activities so that we can commence our first-in-human early feasibility study in the near future."

Founded in 2008, BiVACOR maintains offices in Cerritos, California, and Brisbane, Australia. The company is affiliated with Houston's Texas Heart Institute, where the world's first artificial heart was implanted. BiVACOR's headquarters is at the Texas Medical Center complex.

The company employs about a dozen people and says the funding will enable it to bring on another 10 employees.

For 13 years, BiVACOR has been working on technology aimed at eliminating the need for heart transplants. Thus far, the BiVACOR device has been tested only on cows.

"In heart failure, the heart becomes unable to pump enough blood to keep the body healthy and strong. At least 26 million people around the world are living with the disease, and the number is rising as populations age," IEEE Spectrumreported in 2019. "Patients with severe heart failure have a bleak outlook: Their best option is a heart transplant, but the limited number of donor hearts means that only about 5,000 patients around the world receive transplants each year. Thousands more patients are eligible for transplants, and some die while waiting for a donor organ."

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Houston startup unveils its innovative leather alternative at the rodeo

sustainable fashion

Last month’s Houston Livestock Show and Rodeo stirred up another rootin’ tootin’ time for Houstonians and beyond.

But before the annual event galloped into the sunset, there were quite a few memorable innovations on display, with one notably coming from Rheom Materials.

The Houston-based pioneer of next-generation materials presented its scalable, bio-based alternative known as Shorai, a 93 percent bio-based leather, through two custom, western-inspired outfits that showed off cowboy flair through a sustainable lens.

“I'm a Houstonian, I love the rodeo,” Megan Beck, Rheom’s business development manager, recalls. “We're sitting there talking about it one day and we're like, ‘Okay, we've got to do something with this leather to show people how good it can look in apparel, how easy it is to wear.’”

Buoyed by the idea that their materials are meant to “change your impact, not your life,” Rheom captured the real-life energy of their bio-leather outfits under the rodeo’s neon lights in a short commercial video and photo shoot with models donning the samples, while dancing and enjoying the festivities. Rheom created a skirt, a leather jacket, and then a leather top for the look.

“Houston is such a vibrant city,” Beck says. “There's so much innovation here. I think the rodeo is just a really, really great example of that. And so we wanted to take this opportunity to take some of these garments out there and go on the slide, go on some of the rides, go into the wine garden and go dancing, because if you've ever felt some of the materials in the market in this space, they're very stiff, you can't really move in them, they're a little fragile, they kind of fall apart.”

Not only do the models in the video look fashionable, but they also look comfortable, and the leather looks natural and supple. And to the naked eye, Shorai appears to be like the leather most wearers are accustomed to.

“What we really wanted to showcase in this is the energy and the movement of the leather, and to show people how good it can look in apparel, and how easy it is to wear, which I think we were able to accomplish,” Beck says.

Next up, Beck says Rheom wants to scale production of Shorai, the Japanese word for “future,” at a competitive price point, while also reducing its carbon footprint by 80 percent when compared to synthetic leather. According to Beck, Rheom plans to see Shorai products come to market sometime this year.

“We have companies globally right now that are testing materials, that are prototyping, that are making garments, making handbags and footwear, and making eyewear because we have a plastic, as well,” Beck says. “So, this year, I do believe we'll start seeing those products actually come to market, which is very, very exciting for us.”

And with their large-scale production partner already set up for Shorai, Rheom plans to start its first production run of the product soon.

“In April, we'll actually be starting our first production run,” Beck says. “We'll be doing it at full scale, full width, and a full run of materials. So over the next five years, we're only going to just try to increase that capacity.”

Texas is home to second largest population of millionaires in the U.S.

The Millionaires Club

Tilman Fertitta, Elon Musk, Alice Walton, and Jerry Jones are members of the billionaires club in Texas. But just how many millionaires does the Lone Star State boast?

Altogether, 73,930 Texans were classified as millionaire tax filers in 2022, according to an analysis of IRS data by digital marketing firm Hennessey Digital. (For context, that millionaire count is just a few thousand shy of the entire population of Missouri City.) This figure puts Texas in the No. 2 spot for the country’s biggest population of millionaire taxpayers, behind first-place California.

However, if you crunch the figures a different way, Texas’ millionaire status isn’t quite as impressive, demonstrating that not everything is bigger in Texas. Texas ranks 10th among the states with the highest proportions of millionaire taxpayers, the study indicates. According to Hennessey Digital’s calculations, 27.1 of every 10,000 Texas tax filers reported adjusted gross income of at least $1 million for the 2022 tax year.

“The state’s booming economy, driven by energy, technology, and business-friendly policies, contributes to its wealthy population,” says Hennessey Digital.

Forbes ranked 43 Texans among the 400 wealthiest Americans last year, with Elon Musk topping the list. Houston hospitality king, Rockets owner, and newly appointed ambassador to Italy Tilman Fertitta was the 12th richest Texan and the 99th richest person in the United States, according to Forbes.

Which state comes out on top for the largest share of millionaire taxpayers? Connecticut, with 44.76 millionaire tax filers for every 10,000 filers, the Hennessey study shows. A number of well-to-do Connecticut suburbs are situated just a commuter train ride away from New York City, where bankers, brokers, and others pull in the big bucks. (Connecticut sits two spots above New York state in the millionaire ranking.)

The numbers in the study “highlight the diverse economic landscapes across our nation. States with favorable tax policies and thriving industries tend to attract more high-income earners,” says Jason Hennessey, CEO of Hennessey Digital. “Understanding these patterns can provide valuable insights for businesses and individuals making decisions about where to live, work, or invest.”

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This story originally appeared on our sister site, CultureMap.com.

Remote workers in Houston earn far more than commuters, data shows

by the numbers

In the Houston metro area, it pays to work from home.

Data published recently by the U.S. Census Bureau shows remote workers in the Houston metro earn 40 percent more than their commuting counterparts. For remote workers in the Houston area, median earnings stood at $67,500 in 2023, compared with $48,200 for other workers.

Federal data cited by Visual Capitalist indicates 11.8 percent of the Houston area’s labor pool, or nearly 460,000 people, were remote workers in 2023.

In the Dallas metro area, the difference in median earnings between remote workers and non-remote workers is even more stark. According to Census Bureau data, remote workers there earned $77,000 in 2023 — 50.7 percent more than the $51,100 for traditional workers.

Why the wide gap in pay? The Census Bureau says remote workers are more likely to be older, more likely to be white and less likely to live below the poverty line. All of these traits contribute to higher income.

Among home-based workers in the country’s five biggest metros, median earnings for remote workers were highest in the New York and Chicago areas (over $80,000) and lowest in the Houston area (under $70,000), according to the Census Bureau.

The five-metro comparison also reveals that the Houston area had the highest share (6.8 percent) of all workers, both remote and non-remote, living below the federal poverty level.

In a recent Substack post, urban planner Bill Fulton notes that remote workers in major cities typically earn 50 percent to 80 percent more than other workers do. He declares that “remote workers are far more affluent than everybody else. They are, of course, office workers, not blue-collar or service workers, and they tend to be more highly educated.”