James Reese James Reese

Jacqueline Cosmo

Jacqueline Cosmo

Jacqueline is a passionate individual in the field of customer success and social media. Currently, as a Customer Success Community Social Media Associate Intern at the Customer Success Leadership Network, I collaborate closely with leaders to enhance their social media presence and drive engagement. Beyond that, I'm an immigrant digital influencer (my website - https://sites.google.com/view/jacquecosmo/home), sharing my personal experiences to inspire and guide others on a similar journey.


Combining my expertise in customer success and digital influence, I strive to connect and empower people through various channels. I'm dedicated to fostering meaningful connections, driving engagement, and delivering valuable content. With hands-on experience in onboarding clients, developing programs, and providing exceptional customer experiences, I excel in high-volume environments, adapt quickly to technology, and resolve issues aligning with organizational objectives.

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James Reese James Reese

Kathi Mikelson

Kathi Mikelson

Kathi Mikelson is an accomplished operations executive with over 15 years of experience in the service industry. Her expertise includes non-profit and for-profit education and healthcare, where she has specialized in customer success and customer experience. Her leadership style and passion for achieving results have driven business success throughout her career. As an operations executive, Kathi has a proven track record of growing revenue through successful customer engagement strategies and implementing customer-centric processes that optimize operations for sustainable success. 

Kathi is based in St. Louis, Missouri, where she enjoys spending time with her husband and children. She is a Junior Achievement volunteer helping children learn about work readiness, financial literacy, and entrepreneurship. 

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James Reese James Reese

Kristen Hayer

Kristen Hayer

Kristen believes that customer success is the key to driving renewal and expansion revenue, and delivering exceptional customer experiences that produce referrals.

Over the past 20 years Kristen has been a success, sales, and marketing executive, primarily working with growth-stage tech companies, and leading several award-winning customer success teams. She has written over 100 articles on customer success, and is the host of 2 podcasts about the field: Innovations in Leadership and Reading for Success. Kristen serves on the board of the Customer Success Leadership Network and the board of the Customer Success program at the University of San Francisco. She received her MBA from the University of Washington in Seattle, and now lives in San Francisco.

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Kristen Hayer Kristen Hayer

Omid Razavi

Omid Razavi is a seasoned SaaS customer success executive experienced in building and scaling customer support, services, experience, education, and success teams for greater customer experience, outcome, and growth. Omid was most recently the Chief Customer Officer at SupportLogic, and prior to that, he led Product Success at ServiceNow and Customer Success at SAP Cloud. Earlier in his career, he ran professional services and customer support at a number of technology companies. Omid is a sought-after conference speaker and industry contributor. He hosts the CCO Perspectives LinkedIn Live and Newsletter.

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James Reese James Reese

Jill Gronsky

Jill Gronsky

Jill is a believer in advance planning, efficiency, getting the details right, and seamless communication. Prior to joining the team at The Success League, Jill worked for ten years in the Outdoor Apparel industry in Merchandise Analysis & Demand Planning. When not keeping the train on the tracks at work, she stays busy as a parent of two young, active boys.

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James Reese James Reese

Lauren Costella-Reber

Lauren Costella-Reber

Lauren is a change agent, communicator, leader and passionate champion for Customer Success for 10+ years. She currently serves as the Chief Customer Officer for Dental Intelligence, where her scope includes servicing over 9,000 customers. She has served in various executive leadership positions including the Vice President of Customer Success for GoodTime.io and the Vice President of Customer Success for Medrio. She also serves as an advisor for The Success League, an original founding and board member for the Customer Success Leadership Network, and an active participant in the larger CS community through speaking engagements, webinars, blogging opportunities, podcasts, and more. Prior to being in Tech, Lauren served as an advisor to the Undersecretary of Defense at the Pentagon for the Obama administration. Lauren has her MA and BA from Stanford University, was a former 2-time US National Champion in swimming, and enjoys staying active in the Incline Village/Lake Tahoe area.

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James Reese James Reese

Irene Lefton

Irene Lefton

Irene Lefton is a CS Strategist, Evangelist, Mentor, VP Customer Success and Author who conveys the voice of the customer with a focus on creating customer value and driving profitable recurring revenue. Her background spans multiple industries and use cases, and with she has successfully built and operated several global professional services, support, and customer success teams in the US, Europe and Asia. Currently, Irene consults as Acting VP of CS for early-stage companies and helps other companies create and execute on their CS Strategy. Irene is the cochair of the Governing Council for the Customer Success Leadership Network, an industry group that advances leaders in the CS Function and she was named one of the Success Coaching 2020 Top 25 CS Influencers. In addition to her leadership and consulting, Irene is in the process of finalizing and publishing her book titled Who Speaks for the Customer?

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