


Employees at BairesDev rank Darren Shimkus in the Top 5% of similar sized companies. Similarly, employees at Rootstack rank Alejandro Oses in the Top 5% of similar sized companies. Employees rate their CEO differently based on the frequency of interaction, ability to affect company culture, and drive measurable results.

CEO of BairesDev
BIO: Darren is the CEO of BairesDev, where he leads its strategy and operations. He brings the Commercial, Delivery, and Talent teams together around shared priorities and client outcomes. His focus is building an AI-first organization, one where AI reshapes how software is designed, and delivered. He has spent his career building and scaling high-growth technology companies, most recently as co-founder of Modal, an AI upskilling platform for enterprise teams. Darren holds a BA in Economics from William & Mary and an MBA from the Stanford Graduate School of Business. He also actively contributes to initiatives focused on leadership development and the future of work.

CEO of Rootstack
BIO: Alejandro is always thinking up new strategies to help meet his clients’ needs. He is particularly focused on new business opportunities that can be converted to Rootstack applications. His experience in the development, implementation and administration of projects adds important value to Rootstack.

Women at BairesDev rated their CEO an A+

Women at Rootstack rated their CEO an A+

Diverse Employees at BairesDev rated their CEO an A+

Diverse Employees at Rootstack rated their CEO an A+

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At BairesDev, employees in the Communications department rate Darren Shimkus the highest. According to employees, Darren Shimkus' ability to drive business results is Excellent.