John M. Platanitis is a Christian theologian and writer with a pastor’s heart. He is the founder  of and sole contributor to The Solas Matter — a website devoted to the biblical doctrine of Sola Gratia (Grace Alone) and the sovereignty of God in salvation.

He holds two earned degrees in theology (B.Th., M.Th.) and has served for many years in pastoral ministry, teaching and preaching in local churches. He has been married to his beloved bride for thirty-four years, and together they have two sons.

More than three decades ago, John experienced a profound awakening to the depth and sufficiency of divine grace — an illumination that completely reshaped his understanding of salvation from beginning to end. Since that time, he has written, taught, and engaged both church audiences and online readers in defense of the Reformation truth that grace in its saving application, is not merely enabling — it is decisive.

For John, the word alone is not decorative — it is definitive. If grace is truly “alone,” then it excludes any addition outside of what it wholly supplies. Grace plus even the smallest independent contribution from the sinner ceases to be grace alone.

The biblical and Reformation affirmation is not salvation = grace + something, but salvation = grace alone. This conviction does not deny justification by faith alone (Sola Fide); it grounds it. Faith is not autonomously produced, nor synergistically generated. Scripture presents faith as something received — granted, revealed, and awakened by God Himself (2 Peter 1:1–2; Matthew 16:17; Acts 16:14). Thus, Sola Fide stands because of Sola Gratia.

John affirms all five Reformation Solas, while his work focuses especially on Sola Gratia from exegetical, theological, philosophical, and practical angles. His writing engages contemporary voices such as William Lane Craig and Roger Olson. In doing so,  seeking to represent opposing positions accurately, he demonstrates from scripture, theology, logic and practical real-world application and analogy why those views crumble when pressed to their logical / theological and structural stress-points.

John writes from Ontario, Canada.