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"Sheryl led one of our super sessions at Women of the Channel West. Her energy and professionalism combined with timely content, messages and inspiration made her a perfect fit. We can’t wait to have her come back for Women of the Channel East in New York this December!” 

Carolyn Herr
Vice President, Channel Communities

"Sheryl Kline did an amazing job training our team on having difficult conversations while remaining highly influential.  She effortlessly connected and engaged our group over a half-day virtual training session.  The content was poignantly relevant.  It hit several key areas of focus and provided clear-cut ways to be successful in any situation.  By the end of the training, we all had several tools that could implement immediately.  Within 24 hours I had attendees let me know they applied their new skills in delectate or emotionally charged interactions with resounding success.   We are looking forward to part II with her new book dropping soon.  We would love to work with Sheryl again in the future.  She is a delight and inspiration!”  

Monica Graham
VP, Operations Manager

We had Sheryl deliver a 1-hour workshop to our members to help them understand the influence they can have to be the leader at work and with their families that is so greatly needed during these uncertain times. Sheryl's content was engaging and immediately useful as she provided real-life examples of how to "own our morning" and develop a mindset to be mentally prepared to face anything.

I would highly recommend Sheryl to any group looking for inspiration and a framework designed to have impact.”  

Tina Schackman, CFA
Co-Chairperson (Southern California)

Sheryl opened both days of our Women of Silicon Valley 2019 event and led one of our workshops. Her energy and professionalism combined with timely content, messages and inspiration made her a perfect fit. We can't wait to have her back!”  

Emma Tommony
Portfolio Director, Women in Tech World Series

 "I invited Sheryl to be a guest panelist for our Female Start-Up Founder Speaker Series. Our topic was 'Mental Toughness for Women in High-Tech Start-Ups'. Sheryl's content was well-thought out, innovative and impactful. Sheryl connected easily with our audience and provided clear actionable take-aways on how to be more Mentally Tough, especially in high pressure situations and also strategies to recover when setbacks occur. Sheryl delivered, and we'll definitely have her back."

Amy Bunszel
Vice President, AutoCAD Products

 "I work in the commercial card product group for Bank of America. I’m also the co-chair of LEAD for Women which is one of the bank’s employee network groups. Today I attended Sheryl Kline’s Mental Toughness for Women seminar... I learned to focus on the goals that I want to achieve and how I need to move them forward. Thanks Sheryl!"

Janet Guthrie
Director, SVP, Senior Product Manager

"Sheryl was a panelist for a recent event in our Female Founder Happy Hour Series that we hosted with Autodesk. The topic was 'Building Mental Toughness' and Sheryl's content was practical and engaging. Attendees were engaged and left with clear take-aways on how to be more mentally tough, especially in high pressure situations. Sheryl was inspiring and effective, and we can't wait to work with her again!"

Kristen Brillantes
Design Producer, Coach, Facilitator

"I found this [Mental Toughness in the Workplace: How to Build an Influential Mindset] session so personally helpful and especially your presence. You did a great job connecting with the audience and the specific challenges."

Aida Rivas
Senior Program Manager


"I found Sheryl’s [b.HER.d NOW Mental Toughness and High Performance] training to be engaging, inspirational and impactful. Therefore I’d highly recommend her!"

Priscilla Petersen
Hollywood Capital One Café Team Member


Read the corporate training case study about my client, Jabra.

"I just wanted to thank you Sheryl for putting me in the right frame of mind for the big GMT meeting this week. It went very well and was a safe space for the GMT members to discuss difficult topics.  I am feeling much better and we are walking away with much more clarity. Look forward to catching up on our next call."

Kelly Nagel, President & GM
Jabra N.A.

"The Fearless Female Leadership Journey really prepares female leaders and emerging leaders for the marathon ahead and not just for a short-term sprint. Systemic change takes work, support, and it takes leadership. Sheryl’s proven process is driving that change across the spectrum of business."

Gavriella Schuster, former Corporate VP at Microsoft

"Sheryl and her Limitless Leader System has helped me go from playing smaller than I could in terms of my title and area of influence, despite a high level of expertise to recognizing my title as CRO and speaking up about it. I now own my worth, and I’m positioned accurately with more confidence than ever. This makes me feel much more powerful and in control of my destiny. This is a win/win for myself and my organization."

Christina West, Vice President & General Manager
Infinity West Partners

"I think we are all looking to align our purpose and work for the greater community and world. This program really prepares individuals and teams for the marathon ahead and not just for a short-term sprint. Systemic change takes work, and it takes leadership. Sheryl’s Limitless Leader program is driving that change across the spectrum of business."

Kristy Wallace, CEO

Ellevate Network

"I can honestly say that my confidence has increased in every way, and I now feel like I am a force to be reckoned with. In the last three months, our North American team was awarded the highest market share growth in US in work from home category by NPD along with other significant milestones. My level of influence, from being able to successfully challenge our CEO, to empowering my team and gaining the respect of my peers, has gone up 10 fold. I couldn't be happier with how this year has gone and with the coaching I've received from Sheryl."

Female President & GM, N.A.
Global Fortune 500 Company

"Prior to working with Sheryl Kline, I would have been far more anxious about performing in front of our highest leadership, and I would have played safe. I would have been prepared, but I would have taken the safe route and would not have had the courage to take the risk of owning and sharing what I truly believe.

Sheryl helped me set myself up for deliberate preparation and action for my success, as well as developing the courage and high level confidence required to speak up and be heard. Without those things, I would have had a seat at the table, but the board meeting would have ended as it normally ends, good but far less impactful.

Allowing myself to be vulnerable and to take a risk was the best thing that has happened, and my confidence has gone way up. I know I was impactful which is the greatest currency I could have received. The board meeting ended with my comments and with the board members saying 'If I could have recorded your comments to play for our 80,000 employees, I would.'


This feels amazing at the highest level, and this level of impact would have never happened without my work with Sheryl."

Female National Accounts Sales Manager
Fortune 100 Company

"There are two advantages that I got from executive coaching with Sheryl. The primary advantage has been confidence that I am a high performer. That’s something that I don’t think I knew terribly much about myself. The second thing is just upping my own self-awareness of the skills I already have, and the skills that I need to work on."

Naomi Mercer, SVP for Diversity, Equity, and Inclusion
American Bankers Association

I am so blessed to have Sheryl Kline as a guide and teacher at this point in my career. I believe this work we've been doing would help to pivot and grow others wherever they are in their development. These tools are like a map of wisdom navigation, a north star towards the best version of ourselves.” 

Corporate Training Director
San Francisco Bay Area

"I've gotten tremendous support and help working with Sheryl through the 1:1 coaching, training, worksheets and other tools. And now with all the planning that we've put together in place, I am SO excited to go after and chase my dream.

I highly recommend working with Sheryl for anyone looking to chase their next career dream and goals!"

VIDEO: Watch Christina's Testimonial

Christina Grenier
Senior Marketing/Communications Strategist

I did not feel supported by my senior leaders which made me especially worried about receiving funding for an upcoming important initiative. After working with Sheryl Kline, I was not only able to receive full funding, but I also was able to have a crucial conversation that led to greater mutual trust and even a promotion!

This meeting was one of the best days of my life!” 

Senior Project Manager
San Francisco Bay Area

"My old habits of working all night, or my old habits of being hyper-available weren’t serving me. So I think having clarity and more skills around Mental Toughness to be able to discern where my responsibilities started and stopped [at my job] and where the client’s responsibilities were that would have empowered me to NOT slip into old behaviors. For me that was getting into over-eating again and getting into over-working again … those things that I did a lot of work to keep at bay … I slipped back into it and I think it was because I was lacking some of the Mental Toughness skills and I was taking on board more than was fair.

Being Mentally Tough has given me much more control over my life, and I've never been happier!"

VIDEO: Watch Amanda's Testimonial

Amanda Kaufman
Former Senior Consultant

"I was at a place where I was doing well, but I knew I was limiting myself. I couldn't quite get over what it was exactly that was holding me back. So, I had Sheryl really help me to get some huge breakthroughs … not just in my business, but in my life, and really understand those things, and those little tiny habits, little tiny thoughts that we're consuming me to really get over that hump and help me get to that next level.

I cannot recommend her enough for High Performance coaching. She was so helpful. Really opened my eyes to so many things… so many stories I've been telling myself that just simply weren't true. It was a really great experience to help me get those breakthroughs… not just in my business, but in my life and help me get to that next level."

VIDEO: Watch Erin's Testimonial 

Erin Smith
The Starter’s Club & The Entrepreneur Summit

"I was struggling with prioritization and organization, balancing the many demands of life and maintaining a focus that isn’t overcome with the many distractions I face on a daily basis. These have been three areas that have challenged me for a long time and I have spent time working to improve in these areas in the past with other coaches and through other programs. In working with Sheryl over the last three months, I can honestly say that I have felt dramatic improvement in each area and I am very grateful to her for her excellent coaching that has helped me become the best version of me!"

I highly recommend Sheryl to anyone who is looking to “step up their game” and become a high performer in whatever they do, whether career, family, school, athletics or otherwise. Sheryl has also had great success in working with my wife, and helped her achieve many breakthroughs, as has also been the case for me. We are grateful to have Sheryl in our lives and enthusiastically endorse her as a World-Class Coach!"

Michael Sollazzo
Partner and Wealth Management Counsel
Capital Planning Advisors

Read Michael's Profile

"If you're like me ... the kind of person that wants to be the best they can be, and wants to show up with confidence that you can excel at whatever it is that you're trying to do ... then I think this [Mental Toughness Academy] program is a worthwhile investment in your future."

Ken Steven
Growth-Trend Marketing Consultants

"I contacted Sheryl Kline when I was feeling lack of focus and sense of achievement with my day to day life. Coincidentally, my daughter was taking her Mental Toughness online course as part of participating in the club volleyball team. While listening to some of the video lectures, it dawned on me that adults could use the skills she was teaching teens.

Sheryl has helped me clarify priority for my life, and not just what is important to me, but WHY it is important to me. This has helped focus my energy to what matters most to me, and as a result I feel more in control. I have also regained the sense of calm even when I am overwhelmed with the amount of juggling I deal with personally and professionally.

I highly recommend Sheryl and her Mental Toughness program – if you are looking to improve the outlook for your life by feeling productive and purposeful, this program will help you get there."

Sr.-Level Project Manager
Data Security Company, Mountain View, CA

Read the Testimonial

"Mental Toughness and High Performance Coaching with Sheryl has helped me personally and professionally. I now have greater clarity on what's important to me as well as the tools to plan and achieve my best. I did not realize what I was missing out on all these years to help me reach my full potential. High Performance Coaching is a vital piece to my success at work and at home. I highly recommend Sheryl and this program to help you be your best, and most importantly, to find your joy and balance."

COO and Managing Principal
San Francisco Bay Area Insurance Agency


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