Like the bright blue frames of his trendy spectacles, Dr. Matthias Bittner is cheery. And why not? As chief operating officer of Gilching, Germany-based startup AutoFlightX — a position the 34-year-old aeronautical engineer calls his "first real job in industry" — Bittner is part of a team of fewer than 10 trying to help their company's Chinese entrepreneur founder, electric aircraft pioneer Tian Yu, change the world through urban air mobility (UAM).
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