Enphase Energy is seeking a highly skilled Regional Sales Manager to drive revenue and market share growth in Japan. The role involves identifying new partners and enabling existing ones by educating them on Enphase's innovative technology and business solutions. Responsibilities include revenue and gross margin ownership, market research, partner engagement and development, managing salesforce, introducing Enphase's solar technology, developing strategic partnerships, managing customer portfolios, and producing accurate sales forecasts. The ideal candidate will have a Bachelor's degree in business or engineering, 5+ years of experience in sales or business development (preferably in solar or energy industries), and fluency in Japanese and business-level English.