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Aaron Casillas: Building New Mexico’s Digital Lifelines

After spending a career in blockchain and tech education, Casillas is now wiring the desert 


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When Aaron Casillas, 54, moved from Connecticut to Las Cruces, New Mexico, in 2022 with his wife, he had every intention of retiring in the shade of the Organ Mountains and enjoying the city's near-perennial sunshine. ​​But — call it instinct or old habits — the technologist just couldn’t ignore the pervasive lack of internet connectivity and tech education in the state’s second largest city. Casillas spent his career working in blockchain technology and collaborating with top universities to advance digital literacy.

​​“I was sitting on my couch thinking, I could do this, ride off into the sunset,” he says. “I love Netflix. I love traveling. I could do all that, but there just seemed to be so much that needed to be done, and I had some skills that maybe could help.”​​

In 2023, the Mycelia Foundation was born out of a desire to expand digital access for rural, low-income families in New Mexico. ​​

What Is the AARP Purpose Prize?

The AARP Purpose Prize honors nonprofit founders age 50 and over who use their life experience to create innovative solutions to challenges people face in their community.

Organizations founded by the winners receive $75,000 and a year of technical support as they expand the scope of their nonprofit's work. This support ensures the continued success of their foundations, with strategies such as succession planning, data evaluation and social media campaigns.

The nonprofit, one of this year’s five winners of AARP’s Purpose Prize, builds affordable broadband internet networks, provides digital literacy education and distributes free and low-cost devices. In just a few years, Casillas and his small team of techies-turned-advocates have served more than 250 residents in Las Cruces and are expanding to Deming, New Mexico, to provide free broadband to more than 600 households. Ultimately, the Mycelia Foundation is working to see how it can support connectivity statewide.

​​“We very much work like a tech start-up,” he says. “Iterate fast and get stuff done.” ​​But it’s not always easy because of the varied cultures, socioeconomic extremes and language barriers, he says. ​​

Digital gaps cut off residents from essential services

​​Las Cruces is in the border region and is a unique hub of indigenous and native culture. Like many cities in the American West, it sprawls over a harsh landscape that makes physical infrastructure challenging. ​​In the areas known as colonias, the Mycelia Foundation has provided internet access to some residents for the first time, and only recently. These remote communities — numbering nearly 150 in New Mexico — often lack basic utilities like clean water, plumbing and safe housing. Doña Ana County, encompassing Las Cruces, has the most colonias of any county, according to the University of New Mexico. ​​

“You can imagine a place where modernity grows up around you,” Casillas says. “Everybody might be connected to one dangling wire from a telephone pole, and it’s right next to a million-dollar home.” ​​

Luna County, west of Las Cruces, is also considered an area of high “digital distress,” where more than 20 percent of residents do not have internet, according to 2022 data from Purdue University.​​

Casillas recalls visiting the home of a woman living in a colonia who got connected through the Mycelia Foundation. ​​Once she got internet access for her family, which includes a mother living with severe dementia and a son with disabilities that required him to attend virtual school, the impact was immediate, Casillas says. ​​Her son’s education improved with reliable internet access, the grandmother could be monitored on video for her health, and the mother was able to start a small business.

​​“There’s so much opportunity to really get connected, in the sense of internet, but also connected at a human level,” Casillas says.

​​Internet connectivity for older adults is especially critical, he says. The technology facilitates access to telehealth services and enables enrollment in essential programs like Medicaid and food assistance.

Digital “navigator” classes foster social connections among older adults and empower grandparents raising children to help with schoolwork.

​​“[Internet] is not a luxury,” Casillas says. “It’s not a ‘maybe.’ It’s a necessity.” ​​

Making connections personal

​​Trust is also an essential aspect that the telecommunications industry often overlooks, he says.

​​“If you have older people that didn’t grow up with this [technology], it can be intimidating,” Casillas says. ​​

Almost two-thirds of older adults think technology is not designed with their age in mind, according to AARP’s Public Policy Institute.

The Mycelia Foundation is now turning to artificial intelligence to help with that. ​​Casillas’ team is hoping to further leverage AI-driven language processing to analyze how community members discuss technology — capturing sentiment, tone and linguistic patterns. ​​The idea is to incorporate these insights into digital education curricula so those learning tools align with the community’s experiences and communication styles. ​​But, above all, the work is personal, Casillas says. He knows technology can improve lives, but it’s more than just dropping off a router and flipping a switch. He says he spends extra time at clients’ houses, ensuring they understand how their systems work, what different settings mean and how to get help if something goes haywire. ​​

“I think the experience here is that a lot of folks descend on [Las Cruces], do their thing ... but then they leave,” he says. His work is “just reinforcing, ‘Hey, I live here. I’m your neighbor. This is my cellphone. If you have issues, call me,’ and meaning it.... At some point, you become them. You become part of the community.” ​​

The AARP Purpose Prize supports AARP’s mission by honoring extraordinary people ages 50 and older who tap into the power of life experience to build a better future for us all. To read more about this year’s winners, click here. ​​

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