Chief Executive Officer
Cathy Light’s dynamic energy and passion for helping organizations and individuals reach their highest potential have led her to establish Leadership Balance® and three other growing enterprises: Assessment Leaders, Business Builders and Be Well Perform Well.
In recognition of her extraordinary work, Smart Business nominated Cathy Light for the “Ernst & Young Entrepreneur of the Year” award in both 2009 and 2010.
Before venturing out as an entrepreneur, Cathy worked in the corporate world in a variety of leadership roles, including Vice President and General Manager of Sunrise Technologies, Inc. and Senior Sales and Marketing Executive at Fuji Optical Systems, Ltd. She began her trailblazing career at a start-up company known as Apple Computer.
Cathy is a globally recognized speaker known for engaging and inspiring her audiences. Her commitment to helping others extends to active leadership within the community. She currently serves on the Advisory Board for the Business and Economic School at Boise State University and mentors MBA students when time permits.
Online Business Manager
Anna has spent over two decades as a virtual assistant supporting C-suite executives and business owners. Anna’s background as an executive assistant, business manager and digital marketing guru makes her the perfect liaison between Lideranca Group’s executive offices and its customers, vendors, contractors and board. She possesses a genuine enthusiasm for solving problems, and she prides herself on her ability to troubleshoot computer and device issues without having to wait for IT support.
In addition to supporting C-suite executives, Anna has extensive experience building SEO optimized WordPress web sites and her competitive spirit enjoys the race to the first page of Google. Her company was recently recognized as a Top SEO Agency in Dallas in 2023. Social media, graphics and desktop publishing are also “feathers in her cap” when it comes to her bag of marketing tricks she brings to the table.
Anna is married and has 4 grown children and 2 granddaughters. As a couple, Anna and her husband enjoy an active life riding their Harley Davidson motorcycles around the United States, weekend camping riding their side-by-side and occasionally catching a good trail in her Jeep.
Anna’s company believes in giving back to the community and is a major sponsor of the WOWC Annual Bike Run which provides a safe space for women in alcohol recovery. Her company also sponsors and volunteers for The Genesis Women’s Shelter which houses women and their children escaping domestic abuse and provides them with the shelter, job training and support needed to rebuild their lives.
Mark N Tuggle, PhD
Learning & Development SME
Dr. Mark Tuggle is a highly relational and results oriented executive with 20+ years of leadership experience focused on organizational and personal performance development, with special emphasis on sales, leadership, and educational success. He excels at identifying organizational, systemic challenges and collaboratively devising and implementing measurable, successful solutions. He is an expert facilitator possessing dynamic communication skills, with extensive presentation experience ranging from one-on-one interaction to speaking to groups of over 500 people.
Mark places a premium on developing open, honest relationships with his clients and colleagues so that they can work together to overcome tough challenges. Mark enjoys leading teams through difficult challenges and transitions in a way that brings them together and strengthens their unity and performance.
Mark’s background and experience across various sectors – military, nonprofit, and for-profit business – have helped him to maintain a results-oriented, actionable focus when it comes to leadership, learning, and organizational success. His approach keeps his clients’ objectives in the realm of achievable outcomes, rather than lofty platitudes that never effect lasting change. Whether he works with you in areas of problem-solving, change management, leadership development, or talent management, you can be certain you will walk away with an implementation plan that is grounded with measurable, actionable, and achievable steps and goals.
Everyone talks about measuring results but few people or organizations truly know what that means, or how to do it. Dr. Tuggle’s experience in developing and analyzing surveys and assessments provides the data clients need to truly measure change and success. Mark led a research project for onboarding sales reps at a Fortune 100 company in which he measured key metrics that correctly predicted retention and performance results for the new reps. He recently completed a social selling research project used by a top sales training organization to help develop its social selling training program. His current work on leadership balance is designed to help leaders identify their unique balance of three key areas for healthy leadership. He has developed proprietary assessments that measure different aspects of organizational culture, health, and employee engagement.
Marc Guidici, MS, PhD, NCC
Employee Assistance & Wellness, SME
Dr. Marc Giudici brings a unique perspective to Lideranca Group – 35 years of success as an entrepreneur coupled with a lifelong passion for individual well being. While the two paths may seem incompatible, Marc’s focus on facilitating personal development and an increase in Emotional Intelligence, has led to greater understanding of how strong positive personal and professional relationships can lead to business success.
Marc’s practical philosophy focuses on encouraging a paradigm shift in personal narrative from personal deficits to personal strengths. By promoting and enhancing strengths and essential qualities, you flip the switch leading to a meaningful, productive, and flourishing personal and professional existence.
From a business standpoint, Marc’s journey has included management roles in retail, and building what is now a referral based construction company. Over the years he has successfully managed, million dollar budgets, projects and hundreds of people while continuing his life’s work serving others as a mental health professional. He has designed and developed curriculum based on 21st century adaptive change leadership models for nonprofit, for-profit, government, and educational applications. Marc also serves as a strength and asset focused mental health professional leading others to attain greater personal awareness, overcome obstacles and develop a more inclusive leadership style,
In addition to his roles as General Manager of Marc Giudici Construction and providing counseling services, Marc has served as Adjunct Professor and Academic Consultant for Program Development and Recruitment at Massachusetts School of Professional Psychology. He is a published author and has lectured extensively in Positive, Media, Leadership and Organizational, and Counseling Theories Psychology, and suicide prevention.
In his spare time, Marc is a zealous volunteer in emergency response and suicide prevention training and education. After Hurricane Katrina, he spent a total of seven years working as a part of their long term recovery team, providing consultation on the construction, mental health counseling and suicide prevention.
Despite having a very full life, Marc believes in the benefits of work life balance and makes several family trips a year to recharge his batteries in Destin, Florida.
Chief Strategy & Growth Officer
Susan Sander’s passion and unique experience as an employee experience & culture change leader and as a tech founder enables her to help companies reset the strategies and plans that are holding them back from sustaining inclusive and compassionate workplaces where both employees and the business thrive.
Previously, Susan led Spinderok, an employee experience consultancy and co-founded Velaku, a communications technology start-up. Empowered by an MBA from Arizona State University, Sanders worked for over 15 years alongside senior human resources, IT, and communications executives, including eight years with Willis Towers Watson.
Susan is currently the Americas Tech Equity Committee Chair for International Association of Microsoft Channel Partners (IAMCP) and an active member of BARC, a radical collaborative focusing on business sustainability. She is an avid sailor and an advocate of women’s and adaptive sailing.
Coaching & Career Development SME
Recognized as one of the best: Acknowledged as one of the top 50 executive coaches in U.S. Global Gurus listed Joel 14th on the list of top 30 global coaching experts.
Master Certified Coach: Only 2% of the 30,000 coaches worldwide achieve this distinction – the highest accreditation in the profession of coaching from the International Coach Federation.
Client list: Google, Amazon, Starbucks, Bank of America, Microsoft, Oracle, Deloitte, Ritz-Carlton and many more.
Years of experience: 19 years of coaching experience.
Author: Written 7 books and over 300+ articles on leadership.
Featured in National Media: ABC News, NPR, Wall Street Journal, NY Times, Newsweek, Forbes and USA Today.
Executive Coaching Style
Joel is well-known as one of the most effective and innovative executive coaches in the country. His passion and energy
Joel is able to get to the heart of what is going on very quickly. He then develops specific, measurable strategies that get you thinking about your challenges in an entirely different and more empowering way. Every session provides new, clear perspectives on how to approach the clients’ work challenges with a clear plan of attack.
As an executive coach, Joel has helped:
A CIO expanded his sphere of influence by learning to build better collaboration across business
A department head developed executive presence, learning to be more self-assured, decisive, powerful, and polished in how he presented himself
A general manager transitioned from being a low-profile manager of twenty people to becoming the highly respected leader of 150 employees and seven direct reports while markedly improving relationships with peers, subordinates, and key decision-makers.
A newly promoted senior director smoothly and effectively handled increased job complexity, responsibility and expectations, alongside transforming difficult team dynamics.
A VP acquired leadership skills that inspired ownership and empowerment in her team, amplifying respect, influence, and working relationships with other business units.
A VP became more of a confident leader, propelling her into a more influential role within her company.
Diversity & Inclusion SME, Master Facilitator
A Human Resources and Diversity leader with extensive practical and hands-on experience. A nationally recognized talent management and inclusion expert, strategist and facilitator. Proven success in aligning talent management, diversity, and inclusion initiatives with the organization’s vision, mission
Earned Bachelor of Arts – Sociology, Winston-Salem State University
Constituent Institution of The University of North Carolina
Earned International Human Resources Executive Program Certification
Cornell University, Ithaca, New York
Tan Davis Consulting and Facilitation Greenville, SC 1997-Present
Principal and Senior Consultant
Provide organizational leaders and staff with trusted consulting, strategy, facilitation, and project
management in the areas of talent management, organizational development, and strategic
diversity. Clients include the Fortune 500, academic institutions, municipalities, non-profits and
professional organizations. Consulting and facilitation services provided include:
Leadership and Organizational Development
• Conduct strategic thinking and planning sessions for organizational leaders and staff
• Consult and design full-cycle talent management and recruiting initiatives
• Develop succession planning and talent management initiatives
• Design and implement mentoring programs and provide one-on-one leadership coaching
• Develop and facilitate high impact leadership training, retreats
• Convene and facilitate business and community partnership discussions
• Design and conduct focus groups with accompanying data analysis
• Conduct in-depth 3rd party exit interviews for workforce retention programs
Diversity, Inclusion and Equity Management
• Serve as a strategist to align diversity and inclusion across the organization
• Develop comprehensive diversity and inclusion strategic and operational plans
• Design and facilitate high-impact diversity, inclusion, and equity training
• Utilizing diversity metrics and analytics to track progress and impact
• Provide processes for implementing inclusive culture change initiatives
• Facilitate and train diversity councils and affinity employee resource groups
Diversity & Inclusion LGBTQ SME
Irwin Drucker, originally from New York City, has lived in South Florida since 1983. Irwin is a graduate of Georgetown University, and received his MBA from New York University’s Stern School of Business. Irwin joined IBM’s global software procurement organization in 1983, eventually becoming Director of Software Sourcing, with responsibility for overt $5 Billion in annual spend. In late 1999, Irwin moved to IBM’s world-world-renowned Global Supplier Diversity team, where he established the first LGBT supplier diversity program in the world, and was appointed its first Director. He was instrumental in the establishment of the National Gay and Lesbian Chamber of Commerce, and served on its Board of Directors, as Chairman of the Strategic Planning Committee of the Board, from 2008 to 2017, after having first chaired both the Corporate Advisory Council and the Procurement Council of the NGLCC, from 2003 to 2008. In recognition of his accomplishments, Irwin received the first “LGBT Supplier Diversity Advocate of the Year” Award from the NGLCC in 2007, and the first NGLCC Legacy Award in 2017. In 2003, Irwin’s responsibilities were expanded, and he assumed responsibility for IBM’s supplier diversity program coordination across all diversity segments outside the US. From 2010 to 2013, Irwin was a member of the Board of Directors of The Pride Center, the LGBT Community Center of Greater Fort Lauderdale, serving as Chair of their Development Committee. In 2011, Irwin received the Multicultural Leadership Award from the Florida Diversity Council.
Irwin retired from IBM in May, 2012, and spent 3 years as the Executive Director of PYP Foundation, a non-profit organization that focuses on improved HIV Awareness, Education and Prevention in young people ages 18-29. In April of 2015, Irwin joined WOSH, an NGLCC-certified LGBTBE, where he served as the Chief Compliance and Procurement Officer. Headquartered in Los Angeles, WOSH is an on-demand, waterless car cleaning company. Irwin’s responsibilities at WOSH included B2B Business Development, Compliance,
Diversity, Corporate Social Responsibility, Procurement, HR, Corporate Relations, and Governmental Affairs.
In August of 2019, Irwin launched a new venture, Diversitas, a consulting practice dedicated to assisting businesses that are certified as diverse-owned and operated by either WBENC, NMSDC or NGLCC maximize their growth potential. Diversitas offers a wide range of consulting services, including Business Development, Supplier Diversity, Procurement and Strategic Sourcing, Compliance, and Corporate Social Responsibility (including both Diversity & Inclusion, Sustainability, and Corporate Philanthropy).
Chairman of the Board
Gustavo “Gus” Salem joined IDEX Corporation in March, 2015 as President – IDEX Health & Science, LLC. In 2016, Gus was promoted to the position of Group President, IDEX Health and Science (IH&S) when the IDEX Optics and Photonics, LLC (IOP) business was added to his responsibilities. Combined, the newly formed Group represents the industry’s broadest portfolio of fluidics, microfluidics and optical components serving the life science research and in-vitro diagnostics markets. The company’s technologies provide high-value, engineered solutions addressing key life science applications such as HPLC, mass spectrometry, clinical chemistry and next generation sequencing. The business unit consists of 12 manufacturing operations globally with over 1200 employees.
Gus brings nearly 30 years of industry experience and a strong record of executive leadership driving strategy, commercialization and operational execution required to bring emerging technologies to the life sciences and diagnostics markets. Previously Gus was CEO at SISCAPA Assay Technologies, an early stage company focused on development of mass spectrometry-based diagnostic testing. Gus remains on the Board of Directors, a position he has held since 2012. From 2007-2013 Gus served as VP and General Manager of the Biological Systems Division at Agilent Technologies where he managed the mass spectrometry, genomics, and clinical diagnostics businesses. During his tenure, Agilent developed into a market-leading supplier of LC/MS systems and established market leadership in target enrichment sample prep for next generation DNA sequencing. Gus came to Agilent from Assay Designs, Inc. where he served as President and CEO. That company’s focus was on development of immunoassay reagents for pharmaceutical discovery and research. Prior to Assay Designs, he led the Protein Separations Division of Bio-Rad laboratories including laboratory and process chromatography, and electrophoresis. Gus holds a BA in Physiological Psychology from UC Berkeley and completed 2 years of graduate work in Psychobiology at UC Irvine.
Gus has 3 adult sons, Matt, Sean, and Joshua and 3 granddaughters, Emma, Chloe and Riley. His interests include coaching youth sports, scuba diving, golf and biking.
Selena has enjoyed over twenty years fostering cultures of collaboration, diversity and inclusion amongst direct- and highly matrixed teams for early-stage enterprises and Fortune 500 companies alike. She delights in helping organizations develop their own, highly-functioning teams and to build and leverage strategic relationships with key clients and partners to deliver exceptional business results.
Selena is an active member and champion of corporate- and community mentorship programs, particularly focusing on providing tools and guidance for women to succeed and excel in leadership and executive roles. Selena’s PhD is from the University of Melbourne, Australia and she is an alumnus of the Executive MBA program at the University of Maryland, where she is an Adjunct Professor, focusing on Leadership and Organizational Development.
In her spare time Selena is a Board member for the non-profit organization Friends of Trione Annadel State Park and is a trail patrol volunteer in three California State Parks. Having worked as a Scuba Dive Master in Australia and Vanuatu she is an avid diver and underwater photographer.
Dr. Thomas Tonkin Ph.D.
Chief Research Officer
Dr. Tonkin is an executive in Professional Services and Software Sales arena and has over 25 years of business and technology experience. He is currently serving as the CEO of the Conservatory Group as well as the Co-Founder and Dean of Students that the Sales Conservatory. In addition, he is also the Head of Strategic Accounts at SAMI Games, the first crowd-sourced global solution for soft skills.
Dr. Tonkin holds a Ph.D. in Organizational Leadership from Regent University (Virginia Beach, VA) as well as a Master of Science in Organizational Leadership, with a focus on Leadership and Management from Regis University (Denver, CO). Dr. Tonkin holds multiple business certifications, and is a leadership expert. In addition, Dr. Tonkin was an Adjunct Professor at the Forbes School of Business at Ashford University where he taught Leadership in Organizations, Organizational Behavior and various other leadership and management courses. Dr. Tonkin is an award-winning researcher and author with several blogs, articles, and interviews to his name focusing on DE&I, Learning and Development, and sales leadership.
Chief Research Officer
Megan Driskell comes to us with over ten years of corporate business experience and a passion for helping others succeed. She attended West Virginia University and her M.S. in Integrated Marketing Communications provides her with a strong background for initiating, nurturing and supporting both our b2b and client partnerships. Her Product and Brand Management experience help guide the Lideranca Group and each of our business units, keeping them on track and tailored to our clients’ current needs.
Megan enjoys spending time with her husband and two very active middle school daughters. They love traveling, playing/watching sports and spending time with family. Megan and her oldest daughter volunteer together as active members of the National Charity League.
4780 Ashford Dunwoody Rd
Atlanta, GA 30338
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