ACMP Texas Vision

The ACMP Texas Chapter is a dynamic professional community recognized as a vibrant and growing source of Change Management talent and expertise.

ACMP Texas Mission

As a part of a global network of Change Management professionals, the ACMP Texas Chapter advances the profession and discipline of Change Management in the great state of Texas.  Our mission is to create a community of people who are passionate about organizational change for networking, knowledge sharing and professional development.  

Photo Credit: Peter Hellberg

Maria Dozlic, President

Maria has more than 18 years of global experience in various Director, Change Lead, Senior Consultant capacities for Fortune 500 companies within oil & gas, IT and Food & Beverages delivering enterprise wide business change initiatives involving ERP implementations, business and technology process redesign enabling organizations to minimize risk, achieve business priorities and improve competitive advantage. 

As an MBA graduate, management consultant and change leader, Maria has significant experience leading and delivering projects in the UK and US and is currently enjoying the global nature and challenging projects with Expressworks International.  Previously, Maria was with Sysco, a leading food manufacturer and distributor, where she was responsible for leading the change management workstream within organizational effectiveness for an enterprise-wide, multi-year business transformation including an SAP-enabled systems implementation, shared services center, process and organizational design for 70+ companies with 40,000+ employees, 2000+ suppliers and 400,000+ customers.

Maria is also active in a number of charitable organizations including DePelchin Children’s Center and is on the Board as President of the Association of Change Management Professionals (ACMP) Texas chapter. 

Beyond the office, Maria enjoys networking with other passionate change management professionals and spending time in the Texas Hill Country and traveling the Croatian coast with her Eastern European husband, Ned and their adoptive daughters, Crissy and Karla.

Photo Credit: Mitya Ku

Dr. Larry Powers, Vice President

Dr. Larry Powers is passionate about advancing the profession of Organizational Change Management (OCM) and with almost 20 years practicing this discipline, he is a proven leader in the field. He is proficient at developing, implementing, and maintaining value driven OCM and Organization Development strategies and programs within small companies and worldwide operations. He is flexible and results-oriented with superior interpersonal and coaching skills. He has held senior leadership positions in business, has a solid background in multi-disciplined business management, and has worked across many different industries.

Larry has a Doctorate degree in Organizational Change and a Masters degree in Technology Management from Pepperdine University. 

Belinda Aber, Director, Chapter Operations

Belinda Aber specializes in organizational change management, leadership and individual coaching and team building.  She has over 20 years of experience in change management, marketing and communications which includes work with small business, large corporations and non-profits. She is a strong, creative leader & strategist with sound business judgment. 

As an MBA graduate and dynamic change leader, Belinda demonstrates exceptional relationship skills. She is a highly effective change manager with the unique ability to bring stakeholders with different priorities into consensus. She is able to create and execute complex transformation plans in order to realize business goals and objectives. 
Outside the office, Belinda enjoys learning and networking with her change management and coaching colleagues. For variety Belinda takes dressage lessons with her horse, Carnival Rose and fine-art lessons.


Photo Credit: dimnikolov

Wendy Hallmark, Director, Sponsorship and Treasury

Wendy Hallmark is a Senior Director at Alvarez & Marsal Business Consulting’s Human Capital and Organizational Change practice. She specializes in transformational change initiatives, with a proven track record of helping organizations improve performance. With over 20 years of consulting and industry experience, Ms. Hallmark has applied a structured approach to managing the people side of change in a variety of industries including energy, waste management, engineering/construction, food service, retail and financial services. Prior to joining Alvarez & Marsal, Ms. Hallmark held a variety of management positions with Chevron, Sysco Corporation, McKinsey & Company and GE Capital, focusing on organizational effectiveness and change.

Ms. Hallmark earned a Bachelor of Business Administration degree from The University of Texas at Austin in Marketing and an MBA from the Kellogg Graduate School of Management, Northwestern University in Management Strategy, Marketing and International Business. She is a PROSCI Certified Instructor in Change Management methodology.


Tonia Whitney, Director, Events

Tonia Whitney is a dynamic, results-driven management and communication consultant with over fifteen years of Big 5 and independent consulting experience in the implementation of organizational change management, communication and training strategy, business process improvement, and IT solutions. As the owner and managing director of
Engaging for Change, Inc., she has spent the past decade providing organizational change management services to a major oil and gas client in the Houston area.

Tonia is skilled in stakeholder engagement, communication planning and execution, training delivery and preparation, and meeting facilitation. She is known as an innovative thinker able to balance between analytical and intuitive solutions to provide the necessary problem solving skills, direction and coaching necessary to move people, teams and organizations through transformation.

Ms. Whitney received her B.A. from Centre College, an MBA from Texas A&M University and is certified
in Prosci’s Change Management methodology.


Joe Ranzau, Director, Communications

Joe Ranzau is a consulting leader, with a focus on practice operations and delivering integrated change management solutions, for clients experiencing significant change. He is frequently called upon to bridge the gap between technology and the human side of client operations. Having led diverse project teams, he is equally comfortable managing strategy for multiple projects or serving as a trusted partner and tactical resource to key government, financial services and insurance clients.

Joe hold a Bachelors of Business Administration degree from the University of the Incarnate Word.  He is a founding recipient of the ACMP Certified Change Manager Practicioner designation and is certified in Prosci’s Change Management methodology.



Kelly Baughman, Director, Marketing

Kelly is a Principal with Planning Design Research Corporation (PDR) where she is a Business Transition Management Specialist who focuses on changes to an organization’s workplace. She studies the current needs and future forecasts of an organization, investigates desired workplace performance objectives, and delivers strategic solutions to clients to ensure that the real estate portfolio is delivering its highest value.  Kelly also leads a team that is specialized in developing and implementing Workplace Change Management for clients undergoing changes to their work environment. 

Over the past 20 years Kelly has built a successful consulting practice at PDR.  Prior to joining PDR she used her talents with organizations like Exxon Company USA and the University of Houston.  She is as a Founding Member of the Association of Change Management Professionals and is certified in Prosci’s Change Management methodology and the Prosci Train-the-Trainer Program. She earned her Bachelors of Business Administration degree from the University of Houston.


Harold L. Goodearle, Ph.D., Director, Professional Development

Harold Goodearle is a Manager of Organizational Change Management for Anadarko Petroleum Corporation (APC) in The Woodlands, Texas.   He has 15+ plus years of experience in both external consulting and internal staff roles, with developed expertise in the areas of Organizational Change Management and Organization Development.

Dr. Goodearle has held positions with Hughes Electronics, Accenture, Management and Personnel Systems, and most recently with Anadarko.  Over the past 5 years at Anadarko, his primary focus has been supporting small and large change initiatives applying change management processes and techniques while also supporting special organizational development projects across APC. 

Dr. Goodearle received his B.A. from the University of St. Thomas and his Ph.D. in Organizational Psychology from The California School of Professional Pyschology.  In addition to being an active member of the Association of Change Management Professionals (ACMP) he is also a volunteer locally with ESCH, Junior Achievement, and at his children’s schools. 

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Amy Becker, Director, Membership

Amy is a Founding Member of the Association of Change Management Professionals. She is certified in Prosci’s Change Management methodology and is also certified in the Prosci Train-the-Trainer Program.

Lanette Ferguson, Regional Director Austin

Lanette Ferguson is a Change Management Professional with 15 years in Information Technology. Talented at building rapport and networking she builds trusting relationships with key stakeholders and teams at all levels to drive successful project outcomes. She holds a Masters in Organization Development from the University of San Francisco, is PROSCI certified and is also a certified coach through the Institute for Professional Excellence in Coaching (iPEC). Her industry experience includes Staffing, Insurance, and Academia. She is a past volunteer with the Bay Area OD Network and Big Brothers Big Sisters and is a member of the ACMP Global Conference Committee. Currently living in Austin and working as an OCM Practice Architect for TEKsystems Global Services. She enjoys gardening, traveling, hiking, cooking, baking and wowing unsuspecting guests with her plant-based culinary skills. 

Sandra Schwan, Regional Director North Texas

Sandy is the managing partner of Evolving Strategies LLC, a consulting firm specializing in helping leaders and companies learn, lead and change. Clients include Accenture, United Airlines, Thomson Reuters, Northern Trust Corporation, Spencer Stuart, IDEX Corporation, the United States federal government, Blue Cross and Blue Shield, Pariveda Solutions, and Zebra Technologies.  Prior to founding Evolving Strategies in 1999, Sandy worked with senior executives at Fortune 200 companies in shaping their business and people strategies and leading change initiatives. Her previous employers include the Corporate Executive Board, Lante Corporation, Kensington International, and Accenture, where she was awarded mentor of the year.        

Sandy holds a Master of Science degree in Learning and Organizational Change from Northwestern University’s School of Education and Social Policy. She was honored to be asked to serve as adjunct faculty in this Master’s program, co-creating the updated curriculum for and teaching the Executing Strategic Change course. She also earned a Bachelor of Arts degree in journalism from the University of Arkansas, where she served as captain of the Division I women’s tennis team. She received her Prosci change management certification from Colorado State University. 

Natalie Arceneaux, Regional Director Houston

Natalie Arceneaux is Managing Partner at C+A Global Group, a people focused, woman-owned consultancy. Natalie has deep expertise as an organizational engagement and adoption consultant with over 17 years of experience spanning the Oil & Gas and Technology industries. She has a reputation for supporting her clients to drive towards optimal solutions, greater deficiencies, increased revenues, and shared successes. 

While working as a consultant at a Fortune 100 oil and gas services, she led a marketing team to win the Houston Business Lantern Award, bringing greater organizational cohesion to a recently acquired organization. With her formidable years of experience in organizational change management (OCM), organizational effectiveness and development, as well as cultural integration and leadership alignment, Natalie’s enthusiasm for helping people is evidenced not only by her abilities to consult, but in her willingness to roll up her sleeves and work side-by-side with all levels of people in an organization. Natalie currently is enjoying her client-side work with Entergy leading the Organizational Change Management work stream for the nuclear cyber security project.

Passionate about accountability, Natalie hosted her own weekly radio program for several years, dedicated to informing and inspiring her audience to do more related to culture, politics, and philanthropy. Natalie is a sought-after speaker at meetings, rallies, and conferences; inspiring grassroots activists to become engaged and involved in their communities and government.

Natalie’s work and positive outcomes for the individual, the community, and the organization demonstrates the roles she so proudly embraces—leader, mentor, advisor, and ultimately a catalyst for positive change. 

Natalie studied business administration and communications at University of Maryland. Go terrapins!

Amanda Schmoldt, Regional Director San Antonio

Amanda Schmoldt is responsible for leading change associated with USAA’s strategic transformation initiatives and leads the company’s community of practice. Prior to joining USAA, Amanda served in a variety of change management and communication roles for Caterpillar, Archer Daniels Midland Company and the state of Illinois. She has extensive experience leading change on global transformation and operational change efforts impacting finance, supply chain, marketing, human resources and IT.


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