By: Ayeshah Somani
For nearly 30 years, Gary Manley has led Iron Cactus through industry shifts, economic downturns, and evolving diner expectations without losing sight of the fundamentals that made the restaurant a staple on Austinās 6th Street and the San Antonio Riverwalk: great food, great service, and consistency.
Manley is now steering the brand into its next phase by rethinking one of the most overlooked ingredients in restaurant kitchens, oil. Iron Cactus has eliminated all seed oils from its kitchens, switching entirely to avocado oil. The change, prompted by encouragement from his son Braxton and daughter-in-law Maddie, was not just about health; it was about flavor. Once the team tested it, the results were immediate. The food tasted noticeably better, and the benefits to guestsā health were clear.
Manley has always described his leadership style as a balance of adaptability and accountability. Heās seen how quickly the hospitality business can shift, and his approach has remained rooted in staying flexible while never compromising the values that have guided Iron Cactus from the beginning: quality, integrity, and an unwavering focus on the guest experience.
That adaptability has helped Iron Cactus endure everything from pandemic disruptions to market changes and even the temporary closure of Austinās convention center. Through it all, Manley has made it a priority to acknowledge what isnāt working, involve his team in solutions, and act decisively. His response to every challenge has been rooted in honesty and swift action.
That sense of grounded leadership also extends internally. Many of Iron Cactusā managers have been with the company for over 20 years, a reflection of a workplace culture built on trust and loyalty. Manley attributes this longevity to treating the team like family and always following through on commitments. This culture has not only kept the business steady, but itās also made Iron Cactus the kind of restaurant that grows from within.
As Manley looks ahead, his focus is on evolving the menu while preserving the spirit of the brand. That means introducing cleaner options, like avocado oil cooking and mocktails, without letting go of the rich flavors and full bar experience that have always defined Iron Cactus. The shift wasnāt made for optics; it was a strategic move that aligned with a rising generation of health-conscious diners who care deeply about whatās in their food.
For Manley, this seed-oil-free direction is more than a trend. It represents one of the most significant opportunities for growth in the Mexican cuisine space. He believes that transparency around ingredients and a commitment to healthier preparation methods are now essential, especially for younger guests. This change has helped Iron Cactus stay relevant as it nears its 30-year milestone, and itās already redefining how the restaurant connects with new audiences.
Internally, the shift has had a ripple effect. Team members have embraced the seed-oil-free philosophy, and many have developed a stronger sense of pride in what theyāre serving. Thereās even been an uptick in applicants who specifically want to work at a seed-oil-free restaurant. The culture is evolving alongside the menu, and both are being shaped by intention.
Manley doesnāt describe innovation as starting from scratch. For him, it means taking what already works and making it better. Transitioning to avocado oil required sourcing new products and reworking familiar dishes, but it was done without abandoning the restaurantās identity. That, to him, is what meaningful innovation looks like: progress without dilution.
He also believes that restaurants have a role to play in public health and social responsibility, something he feels many in the industry still overlook. In his view, those who take these responsibilities seriously are the ones most likely to succeed in the future.
Among all of Iron Cactusā milestones, Manley sees the seed-oil-free overhaul as one of his proudest accomplishments. It wasnāt driven by pressure or public demand; it came from listening to his family, considering the long-term vision of the business, and recognizing that better food leads to better outcomes for both guests and staff.
The result is a restaurant thatās still rooted in its legacy, but evolving with purpose. Iron Cactus now stands out not just for its longevity, but for its willingness to rethink how food is prepared, served, and sourced. While few others on the Riverwalk, or in Austin more broadly, have made the same leap, Manley sees Iron Cactus as proof that legacy brands can lead, not just follow.
His advice to other restaurateurs hoping to modernize without losing what made them great is straightforward: stay grounded in what worked, but donāt let fear keep you from evolving. The brandās clean-oil transition is a clear example of how to honor tradition while embracing change.
Manley doesnāt attribute his leadership philosophy to one person. Instead, itās the result of decades spent reading, learning, and refining. Hospitality books have helped shape the ideas heās applied throughout his career, and continue to influence how he grows the business.
Outside the restaurant, he finds inspiration in travel, trying new restaurants, and playing golf. These interests keep him energized and remind him why he built Iron Cactus the way he did: to last, to adapt, and to serve food with integrity.
As Iron Cactus approaches its 30-year anniversary, Manley isnāt interested in nostalgia. Heās focused on the future, and on proving that evolution doesnāt require reinvention. Just the willingness to do things differently, for the better.



