An almost lifelong vegetarian, and vegan of 12 years, Siena began her activism journey in 2016 with street outreach events designed to bring the plight of non-human animals to the forefront of peoples' minds, by showing footage obtained by undercover investigators and having conversations with the public about the impact their food, clothing and entertainment choices have.

In 2017, Siena quit her fulltime job to travel to the United Kingdom and Europe, where she attended and helped organise outreach events in over a dozen cities in England, Germany, the Czech Republic, Poland, and Italy. During this time she also organised for SAVE, and attended numerous conferences on animal rights including in London, Berlin, Prague and Luxembourg.

In 2018, Siena entered her first animal exploitation facility in the Czech Republic with the intent to document and see with her own eyes what animals bred and raised in these systems endure. She knew from those first few moments that it would be only one of many to come.

Siena began volunteering with the dedicated team at Farm Transparency Project in 2020, and came on board as a Senior Investigator in 2023. She now works to expose both farms and slaughterhouses, to bring to light the stories of those animals we deliberately silence, and act in solidarity with them in their fight for liberation by amplifying their voices and making their stories heard.

She strives to never lose sight of the fact that each of the victims documented in our work is an individual, and worthy of a life not only free from suffering and oppression, but one where they are cherished and valued for their inherent worth and recognised as active participants in their fight for freedom.