Simay specialized in the solar and renewable energy industry since 2012. She worked in China and Turkey and mostly focused on international commercial activities including communications, marketing, sales, investment management, and business development. She is currently the Chief Commercial Officer at Innoses -Ruiyi (Shanghai) Renewable Energy Technology Co., Ltd. in the field of energy storage for renewable energy and electric vehicles and she is in charge of global marketing and business development initiatives. She served roles as Sales & Marketing Director at EkoRE Renewable Energy, Business Development & Marketing Director at GoodWe Solar, Head of International Marketing Department at Talesun Solar, Business Development & Sales Manager at CSUN Eurasia, Marketing Communication at Schneider Electric, and Corporate Communication at Arcelik (BEKO). She is an IEEE Senior Member, IEEE VOLT Graduate (2019), Certified Soft Skills Trainer (since 2008), IEEE TISP Champion. Also involved in other associations such as METU Alumni Association Energy Commission Member, Turkish Women in Renewables North America Liaison & Sailing Team Member, and Chair of Empowering Women Task Force in the region at CleanTech Business Club. She is a Licensed Sailor Athlete at the Turkish Sailing Federation. She has been serving several volunteer membership and leadership positions in different areas including mainly global committees of IEEE Humanitarian Technology Activities, IEEE Power& Energy Society, IEEE Women in Engineering, IEEE Young Professionals, IEEE Social Implications of Technology Society (SSIT), IEEE Student Activities, IEEE Entrepreneurship Committee and other positions on Regional Boards of IEEE Region 8 and 10.