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Gregory Simpson
Acting President   |  gregory.simpson@atdnyc.org

Greg is Managing Director at Agent in Engagement. He helps company leaders provide talented individuals with compelling reasons to join, engage, and stay with their organizations. Whether in a corporate or consulting environment, he's created award-winning workplace experiences for people at all levels of Fortune 150 companies such as Accenture, State Farm Insurance Cos, Deutsche Bank, and Microsoft. He believes an engaged workforce is the foundation of organizational success. That is why he's on a mission to help companies and their employees succeed by creating more meaningful, productive, and engaging workplace experiences.

Gabrielle Bayme
Vice President, Special Interest Groups  |  gabrielle.bayme@atdnyc.org

Gabrielle Bayme is a self-professed “learning addict” with a passion for discovering new and innovative ways to help people learn and develop on the job. She has a performing arts background and over 20 years’ experience as an instructional designer, trainer, facilitator, and coach. Gabrielle has implemented successful learning programs in both soft skills and technology skills in a wide range of contexts from schools and non-profits to the top financial services and consulting firms. She is currently a Learning and Development Manager at Alvarez and Marsal, a management consulting firm where she partners with internal clients to develop and implement of blended learning strategies and programs in areas such as onboarding, employee engagement, and leadership development. Her goal is to help organizations move away from traditional “one and done” training courses towards learning experiences that are continuous, learner-focused, and integrated with peoples’ day to day jobs.

Gabrielle is a proud resident of Upper Manhattan, where her family consists of a Shakespearean actor and a 70 lb. rescue pit bull pursuing a career as a lap dog. Her interests include yoga, keeping up with the latest technology and gadgets, singing, dancing, kayaking, and swimming in the ocean as much as possible.

Shelton Hollers
Vice President, Marketing  |  shelton.hollers@atdnyc.org

Shelton Hollers is currently a Director at The Ken Blanchard Companies where he supports Fortune 500 companies' strategic business outcomes by partnering to develop their most important resources, their people.  His work involves complex global implementations. This includes consulting and supporting the strategic and operational leadership of multi-national corporations to ensure that their talent performs at a higher level.

Shelton has over 16 years of professional experience spanning the US and the UK. Prior to his role at The Ken Blanchard Companies, Shelton spent over 10 years organizing executive level conferences in the US and UK where executive leadership in HR, finance and technology gathered to present and learn about the latest trends in the industry with a focus on increasing organizational performance.

As a life-long learner, Shelton joined ATD NYC and immediately volunteered to work closely with the VP of Programs contributing to the community of learners. Shelton resides in Brooklyn with his three children and is active with their school and the local community board. He regularly volunteers to raise funds for charity through racing in long distance endurance sports.

Zachary Konopka
Vice President, Programs  |  zachary.konopka@atdnyc.org

Born and raised in Metro Detroit, Zachary has been part of the metro New York learning and development community for the past 8 years. Prior to relocating to NY, he lived in Rome, Italy and worked throughout Europe facilitating a variety of training programs and professional development initiatives. Currently, Zachary is the vice president of development and strategic relationships for a leading adaptive learning organization, Skilitics LLC. His focus on learning design and analytics within professional development has afforded him the opportunity to work with over 30 ATD chapters across the country as well as his organization's presenting at the ATD International Conference the past 5 years.

Ekta Lall Mittal
Vice President, Technology  |  ekta.lall@atdnyc.org

Ekta Lall Mittal has spent more than 15 years enabling organizations to create an environment for people growth. She has crafted strategies, created processes and implemented systems that have helped organizations develop people in a rapidly changing environment. As most companies are going through a digital transformation, it’s imperative that people have the right skills to perform their current and future jobs.

Ekta currently leads the Learning Innovation, Technology and Analytics at Colgate-Palmolive. Here she is tasked with bringing the learning transformation, to help create a culture of continuous learning to enable success in fast-paced, changing environments.

She is always looking for new and innovative ways to help create learning strategies for today’s workforce to achieve tomorrow’s goals. A continuous learner herself, she holds an Engineering degree and an MBA in Human Resources.

Gina Lepore
Vice President, Operations  |  gina.lepore@atdnyc.org

Gina Lepore is the founder and CEO of MACH4 Ventures LLC, an organization dedicated to advancing Executive Coaching and Business Operational Excellence. She is an experienced, insightful coach and consultant who is passionate about Learning and Development and Training. As a former senior executive guiding organizations from small enterprises to multibillion dollar organizations, she offers the powerful combination of successful business leadership coupled with intuition, empathy, and well-honed communication abilities. Gina works primarily with executives, professionals and management teams to help drive and deliver business outcomes. For more than 20 years, Gina provided operational and financial leadership for companies across a number of industries including financial services, education and technology firms. In recent years, Gina has provided advisory services to start-up organizations in a number of different areas including consumer products, technology and services. She seeks to continue her evolution of continuous improvement and drive transformation in the lives of people she works with. Gina holds a Doctorate Degree in Asian Medicine, An MBA in Finance and Entrepreneurial Management from the Wharton Business School and a BS in Computer Science from St. John’s University. Gina recently joined the teaching staff at NYU’s School of Professional Studies teaching Data Science and Global Business Practices in their Masters Program.

Bonnie Negron
Vice President, Finance  |  bonnie.negron@atdnyc.org

Bonnie is an Executive Leadership Award winner and strategic business partner who earned her MBA from Wagner College and BBA from Pace University. She began her management career at a prestigious international law firm and worked her way up the corporate ladder at various Fortune 500 public companies and private firms in New York City. For nearly 20 years, Bonnie has interviewed, hired, trained, mentored and partnered with individuals at all levels in corporate America, while holding leadership roles in Administration, IT, Human Resources, Operations, and Finance.

With this hands-on experience, Bonnie opened her own career services development firm to better serve and coach clients on ways to reach their utmost career goals, while developing the most effective résumés to open the door for new career opportunities. She is an avid educator who believes that continuing education is the cornerstone to success and a prerequisite for individuals seeking to improve their personal branding. Bonnie has been selected by industry leaders to participate on corporate committees and advisory boards for her subject matter expertise on organizational employee development initiatives, human resources best practices and web-based projects such as customer relationship management and applicant tracking software systems.

Bonnie is a guest speaker for colleges and universities in the New York and New Jersey area and thoroughly enjoys family time with her husband, Bobby, their two daughters, Bella and Bailee, and 3 dogs.

Rosemary Okoiti
Vice President, Talent Management  |  rosemary.okoiti@atdnyc.org

Rosemary Okoiti is an experienced learning and development professional passionate about helping organizations achieve their strategic business goals through designing and delivering learning solutions that grow employees to their highest potential. She has previously worked as training manager in the financial sector, where she managed the design and implementation of instructional programs for banks and micro finance institutions. Currently, she works for Aplicare Inc. as trainer.

She has been a member of the ATD NYC chapter since 2013 and ATD National since 2014. An active volunteer in the Chapter for the last 3 years responsible for hospitality in the Programs Committee, Guest Relations within Membership and as Assistant VP of Technology. Rosemary holds an M.Ed in Entrepreneurship Development from the University of Illinois, Urbana - Champaign and a B.Ed in Economics and Business from the University of Nairobi, Kenya.

She is a Certified Professional in Learning and Performance (CPLP), a Reviewer for the ATD BEST Award winners and a Judge for the CLO LearningElite Program. 

Art Weiss
Chapter Administrator  |  contact@atdnyc.org

Art Weiss began administrative work with ASTD in 1998; a time when member service was mostly by telephone and fax. Within a few years, records were shifted from typed lists to spreadsheets and email came into use as a primary means of communication. Hired because of his strong organizational and computer skills, Art has assisted the chapter in a variety of ways, including providing input to the Board about the requests from chapter members and those inquiring about membership. He also maintains information about our various events and serves as a welcoming presence at chapter events.

A native of New York City, Art left Pre-Medical studies to become a piano and music theory major at the Manhattan School of Music. A major musical and organizational achievement was his fourteen-year tenure as Entertainment Director at the New York Playboy Club.

Art is currently active as an accompanist to several singers on the New York cabaret circuit. He combines an active career as a musical conductor, vocal coach and performing pianist with musical composition. 

Telephone: 212-479-7397
Email: contact@atdnyc.org

Chapter Incentive Program (ChIP) code for td.org store purchases: CH1026

ATD New York City Chapter
PMB 347
459 Columbus Avenue
New York, NY  10024

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