Hayo de Vries is a passionate evangelist from the Netherlands, committed to sharing the Gospel of Jesus Christ and nurturing believers into mature disciples. His ministry is expressed through two primary avenues: proclaiming the Gospel as an evangelist—both in churches and during international evangelism trips—and equipping believers via his online training platform, 50 Days of Discipleship. With a focus on clear biblical teaching, practical training, and a deep commitment to the Kingdom of God, he serves individuals, churches, and leaders seeking spiritual growth and transformation.