WHAT OUR CLIENTS ARE SAYING

She delivered a top-notch keynote at our 2026 California Closets Annual Brand Conference.  Mariana was exceptional, delivering high-energy, engaging activities, and heartfelt convictions.  She brought our Conference theme to life in ways that truly resonated with our audience. The standing ovation confirmed it!!

When she speaks so powerfully about trust and the importance of being your ‘authentic self’ she brought a level of consciousness to our attendees. By using her personal experiences to the room she made authenticity extremely real. Our people were genuinely moved, and the feedback continues to be overwhelmingly positive.

The highlight for me was that she worked incredibly hard to arrive at our conference fully and thoroughly prepared. It was obvious that she took time to deeply understand our business needs and objectives, which made her presentation even more personal and relevant. 

I would highly recommend Mariana for any future event. Her magnetic personality led the room in the right direction, and her sincerity cut through the skeptics - they deemed the event to be an extremely successful and memorable team-building experience.

– Charles E. Chase, President & CEO | FirstService Brands, California Closets

Mariana is a world-class expert in her profession, and for Microsoft she is so much more. Mariana is a thought partner who brings her uniqueness to creating informed, empathetic, future forward, leading edge discussions on innovation and inclusion.

With her flawless command of the multi-modal event and content environment and her deep understanding of audience engagement, she unlocks the most memorable of experiences, that deliver learning, insights, and calls to action that promise to transform. Her ability to mobilize curiosity, community, and positive change are remarkable and we are so fortunate for her collaboration with us.

– Lindsay-Rae McIntyre, Chief Diversity Officer and Corporate Vice President of Talent and Learning, Microsoft

“You and your organization are in the best hands by hiring Mariana. We have booked her for motivational keynotes aimed at employees, voice-over work, community programs, and social media campaigns and she has over delivered every time. Her creativity and attention to detail will make your brand stand out in a unique way! She is very dynamic and great at keeping the audience engaged.”

– Senior Manager, Ford Motor Company

Mariana provided a wonderful experience you for the audience. 

Her energy, approachability, and the way she connected with the group made the session flow smoothly and engaged everyone from the very beginning. 

We noticed how comfortable the audience felt, how they participated, and how they approached Mariana after the session to request videos for their teams. 

This speaks volumes about the impact she made and how well her message resonated with them.

From our perspective, the session provided inspiration, reflection, and a genuine sense of connection among the participants. 

We appreciate Mariana’s dedication and positive energy. It was a pleasure having her with us.

– Scotiabank | Senior Manager of Global Employee Recognition 

“Absolutely blown away by Mariana's captivating energy and unparalleled ability to engage the audience. Her speech not only hit the mark but soared beyond expectations, leaving everyone inspired and eager for more! She is a force to be reckoned with.”

– Manager, Ford Motor Company

“Not many speakers can connect and engage with an audience like Mariana Atencio can. Her keynote, 'The Power of Authenticity' impacted our members on a very personal level and left them feeling empowered! Ms. Atencio's message set the tone for the rest of the conference and left our attendees wanting more. For example, during our closing celebration two of our volunteer leaders referenced their 'What makes you perfectly you?' cards during their onstage remarks. Book Mariana - it will be the smartest decision you make for your conference or event.”

– Executive Vice President, Florida Apartment Association

Mariana's authentic, relatable, engaging style enabled her to immediately connect with our audience. Through a series of stories, she shared uplifting, relevant, and empowering learnings that all of us can embrace as leaders.

– VP, Google Cloud Consulting

“Authentic, relatable, and effortlessly engaging are the words that come to mind when I reflect on Mariana’s performance as our keynote speaker. She was nothing short of extraordinary!! Mariana's ability to engage, inspire, and captivate the audience with her dynamic presence, boundless energy, and genuine passion was masterful. 

What set her apart was her ability to listen, understand, and seamlessly weave our key takeaways into her message which made her the connective tissue and the perfect closer for our summit.

– Executive Director, Association of Latino Administrators & Superintendents (ALAS)

“Your session was not only informative but also profoundly inspiring. The ideas, perspectives, and actionable insights you shared sparked meaningful discussions and left a lasting impression on every delegate. The overwhelmingly positive feedback we have received underscores that your contribution was one of the defining highlights of NHCCE 2025, and the event would not have been the same without your presence and expertise.”

– Head, NHCCE Speaker Management, HRD Corp

“Mariana exudes inspirational energy! She brought a mixed audience of young people and adults together with a message that reached every participant profoundly and uniquely. It felt like she connected with each audience member individually, yet we were in a room of 400 people!”

– The Park School

“Mariana provided the keynote address to a conference of over 2000 finance professionals throughout the State of California and she did not disappoint. Mariana inspired and uplifted the spirits of those in attendance and I have received so much positive feedback.”

– Deputy City Manager, California Society of Municipal Finance Officers

“It was a true pleasure to have Mariana at our event. Her topic was well presented and very well received. We loved her energy, her interaction with our employees, and the message on authenticity. I would highly recommend her.”

– Senior Manager Employee Experience Engagement and Recognition, Confidential Health Insurance Company

“What a day! Mariana didn’t just speak to us—she created a space for deep connection, reflection, and truth, helping us realign with who we are as individuals and as a team. Her authenticity, warmth, and professionalism lit up the room, reminding us that real change begins from within and that purpose starts with being Perfectly You.”

– CEO, Victor Community Support Services

“There is a before and after in our Summit thanks to Mariana. Her energy, her knowledge of the industry and the depth with which she studied each founder, each investor, each company is unparalleled. Her versatility in the fireside chats—whether it was an astronaut, a scientist, a banker, or a startup—she brings out the brilliance in every interviewee and panelist, making the event educational, authentic, and fun. We can’t imagine our next events, whether in the U.S. or Europe, without Mariana hosting them!”

– CEO, The Venture City Summit

“Mariana Atencio was the host of our corporate conference, guiding a high-stakes, five-hour program with grace, warmth, and intelligence. She introduced VIP speakers, like Michael Bloomberg and General Petraeus, and interviewed high-profile guests such as Bill Ackman and Marc Rowan, while serving as the connective tissue that made the entire event run smoothly and feel seamless. We couldn’t have asked for a better partner on stage.”

– Vice President, Technology Investment Banking, Itaú BBA USA Securities, Inc.

“We had the pleasure of having Mariana Atencio as the host for ERG Engage 2025, and she was nothing short of amazing. She excelled in creating an environment where everyone felt heard and respected. Mariana's professionalism shone through as she adeptly navigated the challenges that come with hosting a live show. Her ability to pivot seamlessly and keep the conversation flowing was truly impressive. She has a deep understanding of what it takes to facilitate impactful discussions within a large company, making her an invaluable asset to our event. 

– Director & Executive Producer, Microsoft

“Mariana was a rockstar! Her personal story and insightful commentary seamlessly tied together key takeaways from each session. Her adaptability and poise made all the difference during an unexpected snow storm that affected the conference. She masterfully adapted to last-minute program changes, managing speaker cancellations and communicating critical travel and safety concerns with ease. A true professional who brought immense value to our program!”

– EY Americas

“The choice of Mariana Atencio to lead the main stage of the eMerge Americas 10th year anniversary was the single best decision we made. She went above and beyond in everything she did for us, from being the incredible emcee to moderating innovative sessions to interviewing thought leaders from around the world backstage to creating and pushing out original content for the conference, and so much more. I can’t wait to work with her again!”

– CEO & President, eMerge Americas

“Mariana was a fantastic moderator and Master of Ceremonies for our Aspen Ideas Climate convening. She came prepared and was the consummate team player. She brought an energy to the room that enlivened the attendees more than any cup of coffee could and brought people to a mind space to focus on the on-stage content and the pressing issues being discussed. She is a true pro and a delightful person to interact with.”

– Graham Veysey, Executive Producer, Aspen Ideas: Climate

“Mariana is a dynamic speaker with an empowering message. In addition to her keynote address, she also hosted a panel discussion on pension plan management -- a topic that is not front and center for most people's day-to-day lives. Mariana came exceptionally prepared and well-studied. She asked thoughtful questions of the panelists, kept the audience engaged, and brought an undeniable energy and presence to the stage. Mariana was reliable,

professional, well prepared, and most importantly, fun!”

– Florida Public Pension Trustee Association

“Mariana is an exceptional partner, and a joy to work with...Her dedication to understanding every facet of a client's needs is among the best in the business. From inception to execution, she approaches her work with professionalism, integrity, and passion. She was always prepared, having done research and contributing ideas that helped elevate the work we did together. She is assertive but always flexible, collaborative, but intentional. In

my experience working with Mariana, you don't get a hired talent – you get a partner who will bring her expertise to ensure your needs as a client and a business are exceeded.”

– Experiential and Event Leader, Producer, Smartsheet

“Mariana did a fabulous job moderating a fireside chat examining the effects of the social determinants of health on heart disease, hypertension and stroke. Mariana is an engaging host and speaker who is able to take complex subjects and make them accessible to a general audience. There wasn’t a moment during today’s discussion where I or anyone around me was tuned out. Thanks, Mariana, for your dedication and hard work (which you make look effortless).”

– Founder/President/CEO, Global Policy Solutions LLC

“I am thrilled to share my highest praise for Mariana, who hosted our company's 2023 Convention. Mariana's performance as the event's host exceeded all expectations, and her contributions were invaluable. Throughout the event, Mariana showcased her exceptional talent for engaging and captivating our audience. Her energy and enthusiasm were boundless, creating an electric atmosphere that resonated with everyone in attendance. Most importantly, she was able to think on her feet, listen, and absorb the right takeaways to weave one keynote with the next, creating the perfect throughline for our summit.”

– CEO, Outreach

“Mariana's communication training was phenomenal! It was practical, interactive and relatable. Her tips on effective communication were insightful, easy and actionable, just what our Alcon team of consultants and leaders were looking for. We learned more in 40 minutes than we ever thought possible! Her advice left the team inspired and confident to communicate with media and peers.”

– Associate Director, Professional Development and Programs, Alcon

My two sessions with you have been among the most inspiring and useful trainings I've had at Accenture. The amount of personalized and hands-on coaching that you packed in two hours is amazing. Many thanks for these notes and all the invaluable advice you gave me this week. I will definitely contact you when I've absorbed and leveraged all your recommendations. Merci!"

Francis Hintermann
Accenture Research Global Managing Director
Accenture | Growth & Strategy

“Working with Mariana and her team has improved how I communicate as an executive, in just a few sessions! I chose her based on her experience and reputation as a communicator. She delivered detailed, actionable feedback—not just general praise or critiques. She addressed every aspect of public speaking, from preparation to stage and video presence, whether sitting or standing. Her coaching helped me maintain an authentic, approachable executive presence, making me a far more effective and confident communicator.”

María A. Bracho
Chief Technology Officer, Americas

"Working with Mariana and Graciela was a game changer. I didn’t realize how many blind spots I had, especially with filler words. After just two sessions, I felt clearer, more confident, and honestly so glad I invested in myself."

Gabriela Berrospi, founder & CEO, Latino Wall Street