Lena K. (Olena Kovalidou) is an author and multidisciplinary professional whose background spans engineering, entrepreneurship, international investment and development projects, psychology, and energy practices.

Born in Kharkiv, Ukraine, she has lived in Greece since 1996. A lifelong reader, she began writing in 2023, bringing together her understanding of psychology, human transformation, and storytelling.

She is the creator of The Lumora Chronicles, a dark fantasy series exploring identity, choice, power, and the price of becoming who we choose to be.