A Resource of Trust
Everything we do at ATG is grounded in science - we really do prove it.
Chief Executive Officer
Stephen Pollan is a successful entrepreneur with over twenty years of executive leadership experience. After progressing through operations management and human resources positions with international food-industry corporations, he chose to take advantage of new entrepreneurial opportunities when creating Assessment Technologies Group (ATG).
He strives every day to make ATG the best in the business of organizational consulting, and always pursues through difficulties until the job is done right. Stephen is a well-respected businessman and devotes a great deal of his time improving the Jacksonville community as a member of many local boards and councils.
Leslie H Krieger, Ph.D., SPHR
President | Consulting Psychologist
Dr. Les Krieger is a licensed Occupational Psychologist who brings a unique blend of psychometric and phenomenological perspectives to his understanding of people, teams and organizations. A Rutgers Ph.D., he completed an internship in Occupational Psychology at Stevens Institute of Technology and post-doctoral studies in Existential Phenomenological Psychology at Duquesne University.
Les then created several consultancies including Humanalysis Systems and People Development Technologies before joining global assessment leader SHL as Director of Training for North America. Since 1996 he’s been President of Assessment Technologies Group (ATG), a consultancy known for innovative capabilities that align people with occupational success.
Colleen Hennessy Lydon
VP of Operations
Colleen brings over 20 years of dynamic corporate human resource experience to ATG. She has focused her notable career on employee benefit sales and service at Cigna Healthcare and Principal Financial Group. She specializes in complex program management in the HR space and compliance. She holds her bachelor’s degree from the University of Dayton and has completed advanced HR coursework at Syracuse University. She is a certified wellness program coordinator (CWPC) from the Chapman Institute and active alumni of Onward to Opportunity at Syracuse University. Colleen’s passion for employment of military spouses drive many of our initiatives here at ATG.
She is an active volunteer in Jacksonville focusing on military family support (specifically veteran and spouse employment), women’s higher education, and mentoring young women in business. Colleen is an active duty military wife and mom of three. She loves to cook for her family and friends, is too competitive during family board game night, and has two German Shepherds that she adores.
Christopher W. Holmes, Ph.D.
VP of Consulting Services
Dr. Holmes is an Industrial-Organizational Psychologist with over 30 years of experience in corporate and private consulting. During his career, he has served as the Vice President of Research and Chief Psychologist for GrowthPlay, a global talent management consulting organization and as a Principal Organizational Effectiveness Consultant for a regional management consulting firm. He also served as a Principal Consultant for PricewaterhouseCoopers (PwC) and Practice Area Director for Hoffman Research Associates, which was subsequently acquired by PwC, as well as the Director of Organizational Effectiveness for Wellcome, PLC a global Fortune 500 pharmaceutical company.
Over the years he has focused his practice on developing new selection systems, creating training and development, leadership and succession planning programs, executive coaching and development and managing the implementation of talent analytic delivery platforms for human resource processes.
Dr. Holmes has several technical publications and professional conference presentations on human performance and organizational effectiveness. Among his honors and awards, he served as a peer reviewer for the NASA Life Sciences Countermeasures Workshops, received a US Department of Energy Award for Hanford Strategic Mission Planning, attended the Wellcome London Business School Executive Management Development Programme, and was a recipient of Rice University’s Presidential Recognition Award while in graduate school.
Jane L. Landon
Jane Landon joined Web.com in November 2010 as Chief Technology Officer. Prior to joining Web.com, Ms. Landon was Deputy Commissioner and Chief Information Officer for the New York City Department of Finance. Her past experience include, Business and Technology leadership positions at Microsoft, where she was General Manager of Worldwide .net Market Development, and Chief Information Officer for Public Sector Business Systems Information Technology, as well as, Institutional CIO Prudential Insurance of America and General Manger Global Corporate Systems at The Bankers Trust Company. Jane is also on the Board of Directors of STEM2Hub, of Northeast Florida and the Jacksonville Chapter of Year Up. Ms. Landon holds a BA in Business Administration from SUNY Fredonia.
Director of Client Voice
Marney is an active community member and military spouse with a focus in client success and development. Collaboration and active involvement aid Marney in improving client satisfaction. She is efficient in detail-oriented work and problem solving through highly organized office management and practiced technical skills centered in a background of project management knowledge. She forms strong partnerships that not only support you as the client but also facilitate defined team development and growth in your organization.
Marney has called Jacksonville home for little over a year now after moving here with the military, falling in love with the Florida flora and fauna and choosing to settle down here with her family. She works to contribute back to her new community through the Red Cross and ensures success to both the community members and client she connects with. She is currently pursuing a B.A.S. degree at Florida State College of Jacksonville.
Rose has joined our team as ATG’s Office Manager, with several years of experience using her extensive administrative knowledge managing an office for Vanguard Vinyl Coatings Inc., serving as a teacher’s aide and a substitute teacher for kindergarten through eighth grade, and working for Watson Realty. Rose is a highly skilled communicator and works hard to ensure that our clients have a streamlined and easy experience building a winning team. After taking a brief break from the workforce, she is excited to be part of the team.
Rose is originally from Lanciano, Italy. After living in Pennsylvania for several years, she moved to Jacksonville, Florida where she has now lived for 25 years. She is a dedicated wife and mother of four kids.
Larry Arceneaux joins the Assessment Technologies Group as an innovative leader with over 30 years of healthcare, technology and business operational management experience. Larry has achieved award winning success leading finance, real estate, engineering, service and process improvement teams. Larry has a proven ability to execute strategic, aspirational and financial objectives using analytics to deliver effective data-driven solutions.
Prior to joining the Assessment Technologies Group, Larry was a leader at Florida Blue accountable for multiple diverse and high-performing teams. Larry served two tours in the United States Navy leading teams accountable for advanced computer, hydraulic, pneumatic, mechanical and electronic systems. As a certified Lean Six Sigma Black Belt and Total Quality Management leader, he specializes in strategy, compliance, efficiency and accuracy improvement initiatives. Larry is a dynamic compliance expert with a distinguished reputation as a collaborative, transformative and accomplished troubleshooter.
Throughout his career, Larry has been active in communities and professional organizations throughout the United States. He currently serves as the Chair of the United Way of Northeast Florida Builders Society, Secretary for the Community Excellence Alliance (CEA), Trustee at Trinity Baptist College and Board of Directors for the Civic Orchestra of Jacksonville.
Larry holds a Bachelor of Business Administration in Finance from the University of North Florida, an active Florida Real Estate Broker’s license and the America’s Health Insurance Plans (AHIP) Professional, Academy of Healthcare Management (PAHM) designation.
Karen Gallagher is a renowned business consultant who enables companies to optimize the potential of employees to drive organizational success.
She has over 25 years of organizational development experience leading human resources and learning and development divisions in a wide variety of organizations including, finance, banking, retail, technology, warehousing, health/wellness and post-acute health facilities from start-up to established firms. Karen’s proven expertise in candidate selection, employee development, executive development and performance coaching. Karen is a sought after speaker with high-energy and interactive keynote presentations and workshops that inspire and challenge you to think more strategically, to be more emotionally intelligent, and practice intentional personal leadership.
Karen integrates the elements of thought, communication, and behavior to provide strategies for positive changes and maximum results. Karen’s expertise focuses on strategic thinking, leadership, problem-solving, communication, and productivity. She has coached hundreds of successful business leaders and entrepreneurs in leadership roles, relationships, and building culture.
She calls home Jacksonville, Florida where she lives with a senior rescue cocker spaniel, Tooey. She is a master level needlework enthusiast, reader and avid people gatherer.
Ryan Darby, Ph.D.
Dr. Ryan Darby has years of experience using psychometrics assessments to aid business consulting efforts, and has successfully applied his experience while working with ATG. Ryan’s past work at Gallup Inc. has allowed him to become proficient in the areas of Employee Assessments, Learning and Development Seminars, Executive Coaching, and Team Facilitation.
Graduating from the University of California, San Diego with his Ph.D in Psychology, Ryan has also had the opportunity to teach Industrial Organizational Psychology courses at Flagler College.