 About David A. Posthuma
David earned a B.A. in Education from Calvin College, Grand Rapids, Michigan, and an MDiv from Trinity International University, Deerfield, Illinois. David has served as a church planter and ministry revitalizer. David also served a national technology company as Director of Product Development and Marketing where his responsibilities included the development of products for the church market. David excels at systems design and development, whether the system involves spiritual formation structures within a ministry setting, or software. David supports E-Church Essentials as the chief systems designer and business manager. David is also the cheir architect for the AssessMe.org online assessment center, and author of Made for a Mission, published by CLC Publications.
About Tamara D. Posthuma
Tamara earned a B.A. in English and Education from Calvin College, Grand Rapids, Michigan. She also earned a Master's degree in Communication from the University of South Florida. Tamara has served as an instructor at both the university and high school levels. She has also served Johnson Controls International as a curriculum developer and technical writer. Tamara is a member of the American Society for Training and Development (ASTD). Tamara supports E-Church Essentials through curriculum development, technical writing and editing. Tamara also oversees account billing services.
About James Wiersma
James earned a B.S. in Computer Science from Calvin College, Grand Rapids, Michigan and is a Microsoft Certified Professional with expertise in web-based application development. He has developed many client/server and web-based applications for large corporations such as GAF Industries and Alticor. He also served as software engineer for Therascribe, a highly successful software package for mental health professionals. James supports E-Church Essentials as our Lead Software Engineer.
Our Biblical Values
- The Bible is God's unique revelation to people. It is the inspired, infallible Word of God, and the supreme and final authority on all matters upon which it teaches. No other writings are vested with such divine authority.
- There is only one God, creator of heaven and earth, who exists eternally as three persons - Father, Son, and Holy Spirit, each fully God yet each personally distinct from the other.
- All people are created in God's image and matter deeply to Him. Central to the message of the Bible is that God loves people, and invites them to live in communion with Himself and in community with each other.
- Apart from Jesus Christ, all people are spiritually lost and, because of sin, deserve the judgment of God. However, God gives salvation and eternal life to anyone who trusts in Jesus Christ and in His sacrifice on his or her behalf. Salvation cannot be earned through personal goodness or human effort. It is a gift that must be received by humble repentance and faith in Christ and His finished work on the cross.
- Jesus Christ, second Person of the Trinity, was born of the Virgin Mary, lived a sinless human life, willingly took upon Himself all of our sins, died and rose again bodily, and is at the right hand of the Father as our advocate and mediator. Some day, He will return to consummate history and to fulfill the eternal plan of God.
- The Holy Spirit, third Person of the Trinity, convicts the world of sin and draws people to Christ. He also indwells all believers. He is available to empower them to lead Christ-like lives, and gives them spiritual gifts with which to serve the church and reach out to a lost and needy world.
- Death seals the eternal destiny of each person. At the final judgment, unbelievers will be separated from God into condemnation. Believers will be received into God's loving presence and rewarded for their faithfulness to Him in this life.
- All believers are members of the body of Christ, the one true church universal. Spiritual unity is to be expressed among Christians by acceptance and love of one another across ethnic, cultural, socio-economic, national, generational, gender, and denominational lines.
- The local church is a congregation of believers who gather for worship, prayer, instruction, encouragement, mutual accountability, and community with each other. Through it, believers invest time, energy, and resources to fulfill the Great Commission - reaching lost people and growing them into fully devoted followers of Christ.
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James Wiersma, Software Engineer
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It is rare to find a person of such integrity, faith, and skill as possessed by James Wiersma. James is to be credited with helping to make the E-Church Essentials network of online ministry services and solutions what it is today.
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"With the advent of computer telecommun-ications, the Church is offered further means for fulfilling her mission. Methods of facilitating communication and dialogue among her own members can strengthen the bonds of unity among them...She can hear more clearly the voice of public opinion and enter into continuous discussion with the world around her, thus involving herself more immediately in the common search for solu-tions to humanity's many pressing problems...It is clear that the Church must also avail herself of the new resources for her ever pressing task of evangelization".
(Statement in connection with World Communications Day, May 27, 1990)
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