Leontiefs Creativity Corporate Professional invitation card in a few minutes. You just need to edit the text to match your own invitation and upload your logo if you wish. Invite with ease to any corporate events. Leontiefs Creativity - Corporate. Dark Grey Corporate Formal Invitation with Logo. Leontiefs Creativity - Corporate. Dark Grey Corporate Formal Invitation card in high format with Logo. Leontiefs Creativity - Corporate. Squared online Save the Date template for corporate events and annual ball with dark background, space to upload own logo on top left and event details box. Leontiefs Creativity - Corporate. Rectangular online Save the Date template for corporate events and annual ball with dark background, space to upload own logo on top left and event details box.