He was honored for appearing with his mother in a highly rated television interview, increasing visibility of the transgender community.
[11] Heng-Lehtinen was the public education director at Freedom For All Americans, the national campaign for LGBT nondiscrimination protections.
[12] Heng-Lehtinen became deputy executive director for policy and action at the National Center for Transgender Equality on July 1, 2019.
In 2022, Heng-Lehtinen appeared in The Daily Wire documentary What Is a Woman?, during which he talked about the issue of transgender people in sports.
The merger is expected to be completed in the summer 2024, resulting in the formation of a new entity called Advocates for Trans Equality (A4TE),[15] with Heng-Lehtinen continuing in the role of Executive Director.