Previously, she founded The Red Elephant Foundation, an initiative built on storytelling, civilian peace-building and activism for gender equality.

[31] She has addressed the European Parliament, the German and Japanese governments, and other multilateral processes on Feminist Foreign Policy.

She co-authored a book titled Love Me Mama: The Unfavoured Child, along with Elsie Ijorogu-Reed, the founder of Delta Women NGO.

[44] A review by Femina of The Dove's Lament suggests that, "Kirthi embroiders a tapestry of unvanquished human spirit in words.

The play channels the voices of eight young women from conflict zones in different parts of the world, and is interspersed with passages from The Diary of Anne Frank.

[53] Kirthi also lent her voice to the audiobook version of "Like A Girl" by Aparna Jain, where she narrated the stories of Justice Leila Seth, Mayawati, Jayalalithaa, Dipa Karmakar, Shah Bano Begum, Tessy Thomas, and Gauri Sawant.

[54] In October 2016, Kirthi delivered a TEDx Talk at TEDxChennai, addressing her work around peace education as a solution to end bullying.

[58] Kirthi was a speaker at Lakshya-SSN's annual event, SYCON, speaking about her work with The Red Elephant Foundation and the curation of the GBV Help Map.

[59] She was the keynote speaker at SRM Aarambh, speaking about her story as a social entrepreneur in the Gender Equality space.

[60] In April 2017, Kirthi addressed the Rotary Club of Madras South on the topic "Women's Empowerment: Myths and Realities.

[62] Kirthi was a speaker at ISFiT 2019 alongside Tawakkol Karman and Gro Harlem Brundtland, addressing women and peacebuilding.

On May 24, 2023, she spoke at a hearing on Gender aspects of defense, peace, and security organized by the FEMM Committee at the European Parliament.

She received two United Nations Online Volunteering Awards, in 2012 and 2013, for her work with Delta Women and the Association for African Entrepreneurs.

[83][84] Kirthi was featured in Sarah Brown's Better Angels Podcast alongside UN Secretary General Antonio Guterres, Harriet Lamb, and Jakaya Kikwete.

[94] Kirthi was listed as one of the "Nine famous female fellows inspiring inclusion" by the Royal Society of Arts in 2024, alongside author Bernardine Evaristo, former President of Ireland Mary Robinson, and artist Jane Boyd.