2025 Innovator: Priceline founder, serial entrepreneur Walker’s latest venture aims to transform U.S. drug manufacturing

From his offices in a sleek, modernist building that looks more like a spacecraft than a corporate headquarters, Jay S. Walker imagines a world without the glass vials used to package injectable drugs. Walker, who holds more than 750 patents, believes his latest company, ApiJect Systems, could replace glass medicine vials with prefilled plastic singledose injection devices. The company’s futuristic Stamford building reflects his forward-looking vision, and he predicts that within two decades, these plastic alternatives will fully supplant glass vials. “Last time I checked, there aren’t many glass bottles in the supermarket, unless you’re buying something very expensive,” the 70-year-old serial entrepreneur said during a recent interview at ApiJect’s headquarters. “Glass is expensive, environmentally unfriendly, heavy and it breaks.” Walker aims for his latest venture to be as transformative as Priceline.com, the travel booking site that made him a billionaire during the dot-com boom. But this time, instead of disrupting how people buy airline tickets, he’s targeting a 100-year-old system of packaging medicine. “For me, innovation isn’t about invention for its own sake,” he said. “It’s about fixing what’s broken — and making the system better for everyone.” The Priceline boom In 1994, Walker founded Walker Digital, a privately held R&D lab designed to invent new business systems. It was here that he developed the concept that would make him famous: Priceline.com. “I built a laboratory that was designed to look for systemic problems in business,” Walker explained. “It was a team of people who spent their days looking at system problems, and those are not that hard to find. Look for things that are operating inefficiently or below what they could be, and almost always, you’ll find a system problem.” The airline industry presented an obvious inefficiency: planes flew with empty seats while potential customers stayed home because they couldn’t afford full-price tickets. “The airline was competing with the couch for those people. The competitor was — to not go,” Walker said. Walker launched Priceline in April 1998 with $20 million from selling a third of his stake in an earlier company he started — NewSub Services — and $100 million from outside investors, including Microsoft co-founder Paul Allen, financier George Soros and cable television executive John C. Malone. “For me, innovation isn’t about invention for its own sake,” he said. “It’s about fixing what’s broken — and making the system better for everyone.” The company’s “name-your-own-price” model changed how consumers purchased airline tickets. Priceline’s March 30, 1999, initial public offering was a sensation. The stock, priced at $16 per share, closed the first day at $69, giving the company a $9.8 billion market value — the highest first-day value ever achieved by an internet company, the New York Times reported at the time. Walker quickly became a billionaire, with Forbes estimating his net worth at $1.6 billion in August 2000. At its peak, the stock reached $165 per share. But the dot-com crash hit hard. Walker stepped down as Priceline’s vice chairman in late 2000. By October 2000, his estimated net worth had plummeted to $333 million, according to Time magazine. Yet, Walker’s legacy endures. Today, Priceline (now part of Booking Holdings) is a highly profitable, multibillion-dollar public company serving tens of millions of customers. Check out other 2025 Innovator profiles From Queens to Connecticut Born in Queens, New York, Walker grew up in an entrepreneurial household. His father Arthur was a real estate developer, and his mother Jeanette — who fled Europe at age 6 to escape Nazi persecution and later became a golf and bridge champion — instilled in him a fierce competitive drive. Walker’s inventive streak emerged early. At 9, he created and distributed his own newspaper. At 13, he undercut the canteen’s prices by selling candy to kids at summer camp. The entrepreneurial bug had bitten hard. After his mother died when he was 18, Walker attended Cornell University, where he majored in industrial and labor relations, graduating in 1977. During college, he became an expert at the board game Monopoly, even serving as president of the Ivy League Monopoly Association. He co-authored “1,000 Ways to Win Monopoly Games” with future Cornell President Jeffrey S. Lehman, which drew the ire of Parker Brothers, the game’s manufacturer. The company threatened legal action. His early business ventures included at least one failure. During a leave of absence from Cornell, Walker started a weekly newspaper — the Midweek Observer — in the college town of Ithaca, New York. Publishing giant Gannett ran his paper out of business, leaving him in debt. Walker married Eileen McManus in 1982. McManus, a former personnel executive at IBM, is currently a trustee for Cornell University and board co-chair at The Harvey School in Katonah, New York. They have two children, Evan and Lindsey, and live in Ridgefield. Outside advantage In the 1980s, Walker founded Catalog Media Corp., which produced and distributed mail-order catalogs for national retail clients. There, Walker was joined by a recent Wesleyan University graduate, Jon Ellenthal, to help build a distribution channel for catalogs in Walden bookstores across the country. The two would continue working together on ventures for more than 30 years; Ellenthal is now president of ApiJect. Catalog Media’s breakthrough came when Walker was invited to a meeting with Jim Barksdale, then the No. 2 executive at shipping giant Federal Express. FedEx was seeking new revenue beyond documents and parcels, and Walker spotted a niche in catalog shipping. At that time, catalogs typically ceased operations in late November because customers believed post-Thanksgiving orders took six to eight weeks to fulfill — making holiday delivery impossible. Walker proposed a flanking strategy: instead of competing with UPS purely on cost or speed, he persuaded catalog companies to promote “FedEx delivery guaranteed” throughout their materials, implicitly extending the ordering window to Dec. 21. The effect was dramatic. Catalogs added several weeks to their peak selling season, and FedEx went from tens of millions of dollars in catalog revenue to more than half a billion dollars over five years, Ellenthal said. “It really unlocked new benefits for everybody involved,” Ellenthal said. “Benefits to the catalog company — they sold more. Benefits to the consumer — they didn’t have to go fight the traffic at the mall on Dec. 14. And certainly benefits to FedEx, who was able to compete using their brand as a marketing asset rather than just a shipping asset.” The FedEx success demonstrated a pattern that would define Walker’s career: finding novel approaches by looking at problems from outside the industry. “Innovation comes from an outsider, because everybody inside the industry is vested in doing things how they’ve always been done,” Ellenthal said. “Jay is a student first, and he’s certainly a student of human behavior. He understands the essential role of storytelling in human communication. And he also understands that big breakthroughs are possible when you look at problems from a very different vantage point.” Check out other 2025 Innovator profiles Disrupting magazines In 1991, Walker partnered with serial entrepreneur Michael Loeb to create NewSub Services, later renamed Synapse Group, which changed how Americans subscribed to magazines. The innovation was deceptively simple: converting magazine subscriptions from fixed-term contracts to open-ended services that continued until customers canceled — similar to how newspapers and phone service worked. When subscriptions became perpetual until canceled, customer lifetime value doubled, which allowed magazines to invest in better customer service and richer introductory offers, Ellenthal explained. Synapse further forged alliances with credit card companies, embedding free magazine offers into monthly billing statements — eliminating the friction of mailing payments. By 1998, Synapse had sold 30 million subscriptions with sales approaching $300 million. The company was acquiring more customers for major publishers than the publishers were acquiring themselves, Ellenthal said. In 2006, Time Warner fully acquired Synapse for an undisclosed sum. Ellenthal observed: “Everything Jay builds has never been done before. … Being first can be quite lucrative.” A new challenge Walker calls ApiJect his most difficult venture yet, in part because health care is a high-friction, regulated industry that defaults to the philosophy of “do no harm.” That means change is slow, and risk is high. Walker said innovating in the medical sphere carries “multiple years of capital risk, capricious and arbitrary blockages on whether you can bring something to market.” He believes the tenets of medicine inherently contradict change. Walker recalled that he was warned numerous times not to innovate in the medical space, as it would be “a money pit of loss.” Yet, he felt compelled to tackle these challenges. Walker co-founded ApiJect in 2018 with British inventor Marc Koska, known for developing the K1 auto-disable syringe — a device that locks or breaks after one use to prevent disease transmission through needle reuse. That device is estimated to have saved 10 million lives. Walker credits Koska with foundational contributions to the blow-fill-seal technology behind ApiJect, which molds, fills and seals sterile plastic containers in a single continuous operation. The process, adapted from German technology, takes about six seconds and relies on a single raw material: medical-grade plastic resin. “(Koska) is the person who really deserves all the credit for understanding how this technology, which had been used for one thing, could be used for other things,” Walker said. “That’s almost always the case with technology — technologies developed for one thing inevitably have uses in other areas, just like scientific discoveries and research in one area always have applicability in others.” Today, nearly every liquid injectable is stored in glass vials — a paradigm Walker deems obsolete because it’s “environmentally dirty” and “logistically outdated.” Producing a single glass vial requires three separate factories, often in different countries, more than a dozen raw materials, and two to six weeks to complete, he said. ApiJect claims its system emits less than half the carbon emissions of glass vial production. On Sept. 25, the company submitted its first new drug application to the U.S. Food and Drug Administration for an existing ulcer medication packaged in its proprietary single-dose, prefilled plastic syringe — the first injectable drug to use its product. The company selected the drug, known generically as glycopyrrolate, as a “proof of concept” to show that its delivery system works. The 5,000-page application represents years of development work and millions of dollars in investment. “It has taken five years to get to this stage,” Walker said. “It’s not for the faint of heart.” ApiJect has no commercial revenue yet, as it cannot sell pharmaceutical products in the U.S. without FDA approval. Reshoring drug manufacturing Walker argues ApiJect’s technology is key to bringing pharmaceutical manufacturing back to American soil — a goal that aligns with recent federal efforts to reduce reliance on overseas drug production. Generic drugs represent 90% of all medications Americans use, yet up to 80% of those generics come from China and India, according to ApiJect. “We don’t make generic drugs here anymore. We’ve shut the factories down. They’re gone,” Walker said. “It’s a very dangerous situation for the United States.” He believes ApiJect’s technology can help make domestic production viable again by dramatically lowering packaging costs — one of the major expenses in producing injectable drugs. “Our technology makes it possible for the U.S. to reshore U.S.-made generic drugs, because though there’ll be higher cost to make the drug, there’ll be lower cost to make the packaging,” Walker explained. ApiJect plans both to manufacture blow-fill-seal packaging using its technology and to license the system to partners. In May, the company announced a partnership with Amneal Pharmaceuticals to install dedicated manufacturing lines at the company’s Brookhaven, New York, facility. The plan is to produce 250 to 300 million individual prefilled syringes per year, with room to scale to over 400 million. Amneal, which operates facilities in both India and the United States, “needs innovation and lower costs” to make U.S. production competitive, Walker said. Walker’s ability to attract commercial partners like Amneal stems in part from years of federal backing that helped fuel the technology’s development during the pandemic. ApiJect was a contractor for Operation Warp Speed, the federal COVID-19 vaccine program. Its prefilled syringe technology was designated as a backup manufacturing and distribution option for COVID19 vaccines, to ensure that additional U.S.-based capacity was available if primary supply chains faced shortages or delays. While the technology wasn’t ultimately needed for COVID-19 vaccines, the arrangement gave the U.S. the right to use ApiJect’s platform for national emergencies. The company has raised more than $200 million in combined public and private funding and operates what Walker jokes is “the world’s smallest multinational,” with about 40 employees spread across offices in Connecticut, North Carolina, Florida, the United Kingdom, Geneva and Australia. Still, Walker remains committed to Connecticut, citing the quality of its talent base and proximity to urban centers. “Southwestern Connecticut really has the best of both worlds,” he said. “We get all the benefits of this great, mature metropolis, but we actually get to see trees, and not be in the middle of crazy New York.” Protecting intellectual property Walker describes himself as a “business system inventor” — someone who looks at entire systems to create, deliver and bring products or services to market. He notes that his name appears on each of the more than 700 patents he’s amassed over his career. TIME magazine has twice named him one of the “50 most influential business leaders in the digital age.” Yet, Walker’s aggressive enforcement of intellectual property has drawn criticism. Some label him a “patent troll” — a term for entities that acquire patents primarily to extract licensing fees through litigation rather than to develop products. Between 2010 and 2011, Walker Digital filed numerous lawsuits against major tech companies including Facebook, Amazon, Google, Microsoft, eBay, Walmart, and Apple for allegedly infringing various patents. Walker vehemently rejects the “patent troll” characterization. In a 2016 PBS NewsHour interview, he defended his actions: “I’ve never bought a patent from anybody. I’ve invented everything I’ve ever done. … I’ve spent tens of millions of dollars. I’ve built giant companies with thousands of employees. If I’m not an inventor, who the hell is?” Ellenthal called the patent troll claim “self-serving rhetoric.” “It ignores the vital role of intellectual property in the American economy,” Ellenthal said. “It’s just a garbage point of view, mostly from people who like to steal other people’s intellectual property and not pay for it.” Walker said the lawsuits reflect his passion for protecting intellectual property rights, which he views as essential to innovation. “Inventions are not solutions that people could use — inventions are conceptual frameworks that solve a problem,” Walker said. “To bring that to market, you need capital. You need a team of people, you need all kinds of things. If you incent invention, if you allow inventions to be property, you get all the benefits of a property system around the inventions.” Walker’s innovations extend beyond health care and e-commerce. Through another company, Walker Digital Table Systems, he has developed technology that turns casino gaming floors into intelligent networks. The system uses RFID tags embedded in casino chips and antennas underneath gaming tables to automatically track bets, detect altered wagers, prevent counterfeiting and speed up play — while remaining invisible to players. What started with baccarat in Asian casinos has expanded to other table games in casinos worldwide, including at New York’s Aqueduct casino. Learning from history While ApiJect’s Stamford headquarters exudes modernist ambition, Walker’s private library in Ridgefield — The Walker Library of the History of Human Imagination — captures his insatiable curiosity. The sprawling 3,600-square-foot space spans three stories, featuring rare books, historical artifacts and displays that celebrate human innovation across centuries. More than 50,000 volumes fill floor-to-ceiling bookshelves. Glass walkways and platforms hover above the main floor, while spiral staircases curve through maze-like passages. The collection includes a 1957 backup Russian Sputnik, an original anastatic facsimile of the Declaration of Independence and a 17th-century atlas with the first maps showing the sun at the center of the universe. “I often tell people it’s a joy to share,” Walker said of his library. “Most people tell me it’s unforgettable.” Check out other 2025 Innovator profiles