This week's roundup of Houston innovators includes Matthew Costello of Voyager, Arielle Rogg, and Nathan Childress of Solar Slice. Photos courtesy

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 logistics startup founder, a marketing expert, and a solar energy innovator.

Matthew Costello, CEO and co-founder of Voyager Portal

Houston logistics SaaS innovator is making waves with its expanded maritime shipping platform. Photo courtesy of Voyager

For several years now, Matthew Costello has been navigating the maritime shipping industry looking for problems to solve for customers with his company, Voyager Portal.

Initially, that meant designing a software platform to enhance communications and organization of the many massive and intricate global shipments happening every day. Founded in 2018 by Costello and COO Bret Smart, Voyager Portal became a integral tool for the industry that helps users manage the full lifecycle of their voyages — from planning to delivery.

"The software landscape has changed tremendously in the maritime space. Back in 2018, we were one of a small handful of technology startups in this space," Costello, who serves as CEO of Voyager, says on the Houston Innovators Podcast. "Now that's changed. ... There's really a huge wave of innovation happening in maritime right now." Read more.

Arielle Rogg, principal and founder of Rogg Enterprises

Arielle Rogg writes in a guest column for InnovationMap about AI in the workforce. Photo via LinkedIn

Arielle Rogg isn't worried about artificial intelligence coming for her job. In fact, she has three reasons why, and she outlines them in a guest column for InnovationMap.

"The advent of AI pushes us humans to acquire new skills and hone our existing abilities so we can work alongside these evolving technologies in a collaborative fashion. AI augments human capabilities rather than replacing us. I believe it will help our society embrace lifelong learning, creating new industries and jobs that have never existed before," she writes in the piece. Read more.

Nathan Childress, founder of Solar Slice

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. Photo via LinkedIn

Nuclear engineer and entrepreneur Nathan Childress wants consumers to capture their own ray of sunlight to brighten the prospect of making clean energy a bigger part of the power grid. That's why he founded Solar Slice. The new venture offers a fulfilling way to encourage and promote solar energy and a greener planet.

Although trained in nuclear power plant design, solar power drew his interest as a cheaper and more accessible alternative, and Childress tells InnovationMap that he thinks that the transition to cleaner energy, in Texas especially, needs to step up.

Recent studies show that 80 to 90 percent of the money invested into fighting climate change “aren’t going to things that people actually consider helpful,” Childress says, adding that “they’re more just projects that sound good, that are not actually taking any action." Read more.

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. Photo via Getty Images

Houston entrepreneur launches new venture to shine light on sustainability

energy transition

A Houston nuclear engineer and entrepreneur wants consumers to capture their own ray of sunlight to brighten the prospect of making clean energy a bigger part of the power grid.

Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. An experienced entrepreneur, Childress also serves as founder and CEO of technology software company Macorva.

Although trained in nuclear power plant design, solar power drew his interest as a cheaper and more accessible alternative, and Childress tells InnovationMap that he thinks that the transition to cleaner energy, in Texas especially, needs to step up.

With energy demand skyrocketing, and the push toward renewable solutions, solar seems like a safe bet for Childress, a former competitive high-stakes poker player. Childress cites a recent Yale University study that says 63 percent of Americans “feel a personal responsibility to help reduce global warming.”

But some studies show that 80 to 90 percent of the money invested into fighting climate change “aren’t going to things that people actually consider helpful,” he says.

“They’re more just projects that sound good, that are not actually taking any action,” says Childress, who has called Houston home for 25 years. He received his doctorate in medical physics at M.D. Anderson Cancer Center, where he worked on software that provided radiation therapy for patients.

The initial Kickstarter fundraising round, which will be launched soon, will finance the construction of one utility-scale solar farm, on about five to 10 acres, which would produce about 1 megawatt, or 1,000 kilowatts, of clean energy. The plant would make enough energy to power about 200 average homes.

Childress says interest has been strong, with several thousand signed up on the Kickstarter launch list. Some who are signed up expressed interest in a subscription, he said, and that may be offered later. Initially, though, for a one-time purchase of $95, a Solar Slice client can purchase one virtual 50W slice of solar power, produced by the farm. Over its lifetime, Childress says, that one purchase can offset three tons of carbon dioxide.

The app tracks carbon offsetting, and energy production for the slice, showing a client “exactly how much I have helped the climate, here’s exactly how (many) emissions I have prevented from putting in the atmosphere,” he says.

The energy produced by five slices can offset the average American’s carbon footprint for a year, and the power generated by the solar farm will be sold to the electric grid. As clients purchase more slices, they can earn eco-credits to donate to other climate-friendly partners, to plant trees or create pollinator habitats.

While Solar Slice is a for-profit venture, contributors won’t get rich or even make money from their purchase. Rather, it provides validation.

“Our focus is maximizing the real world impact, not for financial gain. This is not something people sign up (for) to make money. We’re really clear about that,” Childress says. “I want to show that it’s possible to have a for-profit company that is sustainable, that does good work.

“And hopefully, we can be part of the spirit…for a bigger movement, and for consumers and business, especially, to do things that matter.”


Solar Slice Founder Nathan Childress says his new venture offers a fulfilling way to encourage and promote solar energy and a greener planet. Photo courtesy

The largest U.S. solar plants are in Nevada and California, and those states are sites under consideration, but Childress says Texas is the most likely home for the initial project. The ten largest utility-scale solar plants in Texas by capacity are all in far west or central parts of the state, according to the state comptroller’s office.

Childress has a team of four, who are handling the marketing, plant design and site scouting, and hopes to hire five to 10 more, depending on response and growth. He says the Solar Slice consumer can directly connect in real time to the contribution that their purchase will make toward a green energy future.

“That was our inspiration..let’s start something that is really making a difference..and making really clear to the individuals what’s being done,” he says.

Solar energy has become a growing source of power for Texas, comprising about 6 percent of the state’s energy generation, as of 2022, the comptroller’s office says.

The state ranks first in projected growth of solar energy over the next five years, with more than 9,500 operating solar plants, and many thousands more announced, according to the state Public Utility Commission.

“We would absolutely love to make this into something where we are building plants around the nation, around the world,” Childress he says.

However, resistance to alternative energy projects like solar and wind, especially on a large scale, remains in some quarters.

Obtaining site permits for swaths of land can be also a challenge. For example, a recent survey by Berkeley Lab of 123 professionals from 62 unique, large-scale wind and solar energy facilities showed that about one-third of wind and solar siting applications in the past five years were canceled.

Half of the projects experienced delays of six months or longer. And according to the survey, developers expect the trend to continue, and become more expensive to address.

However, another Berkeley Lab survey of residents who live within three miles of a solar power plant showed that most view the plant positively. The larger the plant, the more negative the response in the survey. The smaller the farm, the more positive the reactions.

Childress says many of the common objections to utility-scale solar farms are misguided, and incorrect. For example, the concern that they would take over available farmland or take up too much space.

He says that even if the entire U.S. power grid relied solely on solar power, the plants would occupy not even a half percent of available land, which is about one percent farmland.

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This article originally ran on EnergyCapital.

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Houston students develop cost-effective glove to treat Parkinson's symptoms

smart glove

Two Rice undergraduate engineering students have developed a non-invasive vibrotactile glove that aims to alleviate the symptoms of Parkinson’s disease through therapeutic vibrations.

Emmie Casey and Tomi Kuye developed the project with support from the Oshman Engineering Design Kitchen (OEDK) and guidance from its director, Maria Oden, and Rice lecturer Heather Bisesti, according to a news release from the university.

The team based the design on research from the Peter Tass Lab at Stanford University, which explored how randomized vibratory stimuli delivered to the fingertips could help rewire misfiring neurons in the brain—a key component of Parkinson’s disease.

Clinical trials from Stanford showed that coordinated reset stimulation from the vibrations helped patients regain motor control and reduced abnormal brain activity. The effects lasted even after users removed the vibrotactile gloves.

Casey and Kuye set out to replicate the breakthrough at a lower cost. Their prototype replaced the expensive motors used in previous designs with motors found in smartphones that create similar tiny vibrations. They then embedded the motors into each fingertip of a wireless glove.

“We wanted to take this breakthrough and make it accessible to people who would never be able to afford an expensive medical device,” Casey said in the release. “We set out to design a glove that delivers the same therapeutic vibrations but at a fraction of the cost.”

Rice’s design also targets the root of the neurological disruption and attempts to retrain the brain. An early prototype was given to a family friend who had an early onset of the disease. According to anecdotal data from Rice, after six months of regularly using the gloves, the user was able to walk unaided.

“We’re not claiming it’s a cure,” Kuye said in the release. “But if it can give people just a little more control, a little more freedom, that’s life-changing.”

Casey and Kuye are working to develop a commercial version of the glove priced at $250. They are taking preorders and hope to release 500 pairs of gloves this fall. They've also published an open-source instruction manual online for others who want to try to build their own glove at home. They have also formed a nonprofit and plan to use a sliding scale price model to help users manage the cost.

“This project exemplifies what we strive for at the OEDK — empowering students to translate cutting-edge research into real-world solutions,” Oden added in the release. “Emmie and Tomi have shown extraordinary initiative and empathy in developing a device that could bring meaningful relief to people living with Parkinson’s, no matter their resources.”

New Austin tower eclipses Houston landmark as Texas' tallest building

Tallest in Texas

Texas officially has a new tallest tower. The title moves from Houston, for the JPMorgan Chase Tower, to Austin, for Waterline at 98 Red River St. The new tower will contain mixed-use spaces including apartments, offices, a hotel, restaurants, and retail. It is scheduled to open in full in 2026.

Waterline held a "topping out" ceremony in August, when the final beam was added to the top of the tower. It now reaches 74 stories and 1,025 feet — just 23 feet taller than the JPMorgan Chase Tower.

Waterline height comparison Waterline is now the tallest building in Texas.Graphic courtesy of Lincoln Property Company

According to a press release, hundreds of construction workers and team project members attended the Waterline ceremony, and more than 4,750 people have worked on it since the project broke ground in 2022. An estimated 875 people were working onsite every day at the busiest time for construction.

The Waterline site is on a 3.3-acre campus with lots of views of Waller Creek and Lady Bird Lake. The building contains space for 352 luxury apartments, 700,000 square feet of offices, a hotel called 1 Hotel Austin with 251 rooms, and 24,000 square feet of retail stores and restaurants.

The only space that is open to new tenants already is the office space, with residential soon to follow. The hotel and residential units are expected to open in fall 2026.

Waterline tower Austin A view from above, shot by drone.Photo courtesy of Lincoln Property Company and Kairoi Residential

“Seamlessly integrated with Waller Creek, Waterloo Greenway and the hike-and-bike trail around Lady Bird Lake, Waterline will quickly become a top downtown destination and activity center," said Lincoln executive vice president Seth Johnston in a press release. Project improvements will also make it far easier for people to access all of the public amenities in this area from Rainey Street, the new Austin Convention Center, and the rest of the Central Business District."

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This article originally appeared on CultureMap.com.

Houston company awarded $2.5B NASA contract to support astronaut health and space missions

space health

Houston-based technology and energy solution company KBR has been awarded a $2.5 billion NASA contract to support astronaut health and reduce risks during spaceflight missions.

Under the terms of the Human Health and Performance Contract 2, KBR will provide support services for several programs, including the Human Research Program, International Space Station Program, Commercial Crew Program, Artemis campaign and others. This will include ensuring crew health, safety, and performance; occupational health services and risk mitigation research for future flights.

“This contract reinforces KBR’s leadership in human spaceflight operations and highlights our expertise in supporting NASA’s vision for space exploration,” Mark Kavanaugh, KBR president of defense, intel and space, said in a news release.

The five-year contract will begin Nov. 1 with possible extension option periods that could last through 2035. The total estimated value of the base period plus the optional periods is $3.6 billion, and the majority of the work will be done at NASA’s Johnson Space Center.

“We’re proud to support NASA’s critical work on long-duration space travel, including the Artemis missions, while contributing to solutions that will help humans live and thrive beyond Earth,” Kavanaugh adde in the news release.

Recently, KBR and Axiom Space completed three successful crewed underwater tests of the Axiom Extravehicular Mobility Unit (AxEMU) at NASA's Neutral Buoyancy Laboratory (NBL) at Johnson Space Center. The tests were part of an effort to help both companies work to support NASA's return to the Moon, according to a release.

KBR also landed at No. 3 in a list of Texas businesses on Time and Statista’s new ranking of the country’s best midsize companies.