Siegfred C. de Guzman, whose secular background is in the field of Commerce, major in Accounting, is a graduate of the International Baptist Theological College of Mandaluyong City, Metro Manila and the Tabernacle Baptist Bible College of Norzagaray, Bulacan both in the Philippines, where he completed a Bachelor of Theology and a Bachelor of Divinity degrees respectively. As an ordained minister, he also holds a Master’s degree in Christian School Operation under the Great Plains Baptist Divinity School in Sioux Falls, South Dakota. He is presently taking up Bachelor of Science in Education majoring in the Bible under the direction of Genesee Valley Baptist Institute and Seminary of Penfield, New York and is working in his Masteral Program in Religious Education & doctoral studies as well under the Landmark
Baptist Theological Seminary of Forth Worth, Texas.

He is actively involved in community services managing a cooperative and farmers' group and conducts medical-dental missions through the help from various sources. He is also a value formation lecturer under the Chaplain's Service of the Philippine National Police.

He also conducts evangelistic open-air meetings in different places 12 to 20 times a year using film showings with great results of professions of faith in Christ among crowds.

He recently launched the Siegfred de Guzman Evangelistic Ministries overseeing the Good News Baptist Church in Manila, First Baptist Church & Ministries of San Mateo, Calvary Heights Baptist Mission of Norzagaray, Newtown Baptist Mission of San Jose del Monte City in Bulacan, Lighthouse Baptist Mission in Romblon & other mission points. He is also the President of Fundamentalist Baptist Institute and Administrator of Freedom Mountain Baptist Academy and Temple Baptist Academy all in Bulacan.

He was recently given an honorary Doctor of Divinity Degree from Tabernacle Baptist Bible College in Bulacan, Philippines

The Lord Jesus Christ allowed him to travel to the United States of America and Canada in 2002 and his life story was dramatized and aired over "Unshackled" of the Pacific Garden Mission.

He has written, ready for printing, several Christian topics on Soul-winning, Bible versions, Commitment, Youth, Theology, Missions, Music, Giving, Last Words of Christ and others.