TreeAge Pro stands out as the premier software for constructing decision trees, Markov models, and simulations based on events. For over three decades, TreeAge Software, LLC has been at the forefront of decision analysis and health economics. Our dedicated team, consisting of scientists, engineers, trainers, and support staff, has evolved in tandem with the decision analytics community to develop and enhance our flagship product, TreeAge Pro. Based in Williamstown, Massachusetts, TreeAge Software, LLC operates as a privately owned entity. This powerful tool allows users to generate decision trees of any complexity for a variety of decisions. The versatility of TreeAge Pro extends across multiple sectors, including healthcare, legal, oil and gas exploration, management consulting, finance, and education. With a proven track record, TreeAge Software has garnered the confidence of over fifteen thousand modelers across the globe, spanning regions such as the United States, Europe, Latin America, Asia, Australia, and Africa. The software not only facilitates complex analyses but also empowers users to make informed decisions in their respective fields.