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Days for Girls Leadership Transition

Thirteen years ago, Celeste Mergens founded Days for Girls International with a singular mission: to help every girl, everywhere unlock her full potential – without menstruation getting in the way.  

Today, we are closer than ever to achieving that goal. 

Under Celeste’s stewardship, Days for Girls has grown from a small grassroots effort to a true global leader in the menstrual equity space. To date, we have served 2.45 million women and girls with menstrual health solutions and education in 144 countries (and counting)! And now, the time has come for our organization to take the next big step in our journey.

Days for Girls is excited to announce that after thirteen years of incredible leadership, Celeste Mergens is shifting away from her day-to-day CEO duties to focus on the future as DfG Founder. 

DfG Founder Celeste Mergens at Days for Girls' very first distribution in Kenya (2008)

Moving forward, she will dive deeper into spreading the Days for Girls message as Founder – representing our organization at global events and finding creative ways to support our mission (while the DfG Board of Directors and Executive Team search for our next head of leadership).

“I am filled with immense gratitude for the phenomenal opportunity that serving with Days for Girls as CEO has been,” Celeste says. “While the reasons for that gratitude are many, the gift of working with an outstanding group of dedicated and talented individuals around the globe, who have accomplished so much, is priceless to me.”

 Our team is truly exemplary,” she continues. “I have every confidence in them and look forward to continuing to serve in support of their leadership. It is my honor to continue supporting Days for Girls in any way that I can, while stepping away from day-to-day activities.”

Celeste’s leadership as CEO will be missed by DfG staff, board, volunteers and partners alike. But her passion for menstrual equity and devotion to our mission will live on in spirit – and her legacy as CEO has left its mark on the menstrual health space forever.  

“The Board of Directors would like to express our deepest gratitude and appreciation to Celeste for her incredible leadership and amazing achievements over the past 13 years,” says Dr. Karen Harris, MD OBgyn, Days for Girls’ President of the Board of Directors. “Under her direction, we have experienced a phenomenal period of growth and expansion into a pacesetting international organization.”

As Days for Girls commences our search for Celeste’s successor, the Board of Directors has appointed Chief Program Officer Tiffany Larson to serve as Interim CEO. 

Interim CEO Tiffany Larson at a DfG distribution in Tanzania.

Tiffany is a six-year Days for Girls veteran who has held a variety of roles within our organization since 2016 (including Chief Operating Officer and International Chapters Director). The scope of her tenure has equipped her with a deep understanding of our strategies, methodologies, programs, processes, systems and global stakeholders – while allowing her to work closely with a wide variety of staff members, Country Offices, Enterprise Leaders, Chapter and Team Leaders and volunteers all over the world.

This expertise, paired with her collaborative spirit and unwavering dedication to the empowerment of girls, makes her an ideal candidate to guide us through our next phase of growth and take up the mantle as Interim CEO. 

I have great confidence in the Days for Girls team to continue to move our mission forward,” she says. “We will continue to build on all the incredible accomplishments and milestones we have already made and honor the organization’s historical roots – while making appropriate shifts, as necessary, to strategically position Days for Girls as a leader in the global menstrual health space. The future is bright at Days for Girls!”






Days for Girls
Days for Girls is an award-winning global NGO bringing menstrual health, dignity and opportunity to 3+ million girls (and counting!) worldwide.