This is the 3rd event in the sequence of small topical conferences under a general title Magnetic Frontiers, which are sponsored by the IEEE Magnetics Society and IEEE Magnetics Letters. Magnetic Frontiers: Quantum Technologies is a cross-disciplinary and thought-stimulating forum where attendees will have the unique opportunity to discuss challenges and opportunities, present the latest developments of quantum technologies in the domains of spintronics, quantum information, simulation and sensors and their implementation using various platforms.