Alex N. Wangeci grew up in Kenya, where a fascination for chemistry took hold during his high school years. Although initially attracted to civil engineering, his journey eventually led him to earn a Bachelor’s degree in Analytical chemistry from Jomo Kenyatta University of Agriculture and Technology.  

“It’s funny, really—I actually tried to avoid agriculture,” he admits, laughing. “My late mother, who worked as an agricultural extension officer, would often walk long distances to visit farmers. As a child, the long days she spent in the fields didn’t appeal to me.” After working in the pharmaceutical industry, he realised he had a curiosity for soil science and the power it has to transform food security and sustainability. This interest led him to Australia, where he completed a Master’s in Agriculture and Environment from the University of Sydney.  

The PhD experience and research focus 

When a friend shared a PhD opportunity at Aarhus University, Alex N. Wangeci saw it as the next step toward understanding how chemistry and agriculture could be unified to benefit farming. His PhD project centered around advancing soil analysis methods, aiming to make them faster and more accessible for smallholder farmers, particularly in resource-limited areas. By improving soil health diagnostics, his work is intended to optimise fertiliser usage and enhance crop yields.  

“My research involved laser-induced breakdown spectroscopy (LIBS),” he explains, “which is essentially a method of using focused laser pulses to break down soil particles and analyse their composition. It’s cost-effective and efficient, which means we can give farmers immediate, tailored recommendations for fertiliser application. This not only saves them money but also minimises the environmental impact.”   

For Alex N. Wangeci, working in Denmark was a chance to learn from one of the world’s leading agricultural sectors, where he was able to collaborate with experts in precision agriculture and sustainable soil management. “The collaborative environment at Aarhus University gave me access to advanced techniques and allowed me to refine my research with input from experts in soil health and sustainable practices,” he reflects. 

Future aspirations and returning to Kenya 

After successfully defending his PhD, Alex N. Wangeci returned to Kenya to take on a new role as the head of the Heavy Metals Lab, where he now addresses contamination issues in soil, plants, and marine environments. His international research background provides him with a unique perspective on developing sustainable agricultural practices in his home country.   

“Having seen Denmark’s approach to agriculture, I feel more motivated than ever to work towards similar progress here in Kenya. My network from the PhD program will be invaluable in implementing projects and sharing knowledge with local researchers and farmers,” Alex N. Wangeci explains. He hopes to collaborate on initiatives that will improve soil health and reduce environmental degradation, laying a foundation for a sustainable future in Kenya.  

The work-life balance as a young researcher 

Though his career path has been intense, Alex N. Wangeci prioritises balance, spending time with family and friends despite his demanding schedule. “Celebrating my PhD defense with  friends in Denmark and later with family in Kenya was a reminder of the importance of a support system,” he says. Reflecting on his journey, he shares advice for younger researchers: “Take breaks, spend time with your loved ones, and keep a balance. Stay curious, and don’t hesitate to explore different fields. You never know where you might find your true passion.” 

Beyond the lab: Dreaming of a farm 

When he’s not in the lab, Alex N. Wangeci dreams of one day running his own small farm. “I tried farming once before but managing it from a distance was challenging. Now, I envision a farm with both crops and animals, a sustainable system that gives back to the land,” he shares with a smile. To Alex N. Wangeci, farming isn’t just a career goal—it’s a way to reconnect with his heritage and spend time in nature, a place where he feels at home. 

Alex N. Wangeci’s journey exemplifies the dynamic potential of agricultural research to shape both local and global farming landscapes. With a foundation rooted in research, a passion for sustainable practices, and a commitment to improving food security, he’s ready to make a difference—one farm, one field, and one soil sample at a time.