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Your contribution makes a difference. Make a contribution join a team or create your own fundraiser. OTEF the Opportunity Through Entrepreneurship Foundation educates and invests in people and organizations that create hope. OTEF is catalyst for Arizonas Entrepreneurial Ecosystem In our early years OTEF hosted Arizonas first social media conference and nine annual Arizona Entrepreneurship Conferences AZEC that connected local and national thought leaders to inspire each other share ideas and collaborate.