People. Resources. Results.

About Susan Nagl
Susan Nagl
Chief Exectutive Officer, The Unconventional Group

Susan Nagl co-founded The Unconventional Group (TUG) with Diana Hoff in 2015. Today, Susan serves as the CEO of TUG. She also founded Skinny Jeans Health Coaching (SJHC) in 2013 believing that health is the foundation of everything in life. Overcoming obstacles with the body is a particularly effective way to create Self-Mastery – the place from which you create the life of your dreams. A rare Denver, Colorado native, Susan earned a Bachelor of Science degree from the University of Colorado at Boulder Leeds School of Business - graduating cum laude in 1989.

Currently, Susan coaches clients in one on one and group environments through TUG and SJHC. In 2017, Susan was invited to work for the Health Coach Institute coaching and mentoring students in their Graduate Coaching and Business Development Programs. In her 8 plus years of coaching, Susan has coached well over 1,000 clients.

Read More

About Diana Hoff
Diana Hoff
Chair, The Unconventional Group

Diana Hoff co-founded The Unconventional Group (TUG) with Susan Nagl in 2015. Diana serves as the non-executive Chairman for TUG. Diana earned a degree in petroleum engineering from Marietta College (OH), graduating magna cum laude in 1987. She also has completed executive education at Southern Methodist University.

In Denver, Diana was a multiple-term President and 1st and 2nd Vice President of the local chapter of the American Association of Drilling Engineers and was active in the Questar women’s networking group. She is a frequent speaker and panelist for the Women’s Energy Network (WEN), Colorado Oil and Gas Association (COGA) Energy Generation Leadership Program (EnGen) and is a mentor in COGA’s Energy Leadership Collaborative (ELC). The ELC program pairs women graduates from the EnGen program with successful female mentors with a goal of improving the number of women in management and serving on boards throughout the oil and gas industry.

Read More

About Diana Hoff
Diana Hoff
CEO, The Unconventional Group

Diana Hoff is an executive in the oil and gas industry. She is a proven leader and motivator with a track record of building teams and driving performance improvement and innovations across multiple companies and project types. She has a Bachelor of Science degree in Petroleum Engineering (magna cum laude) from Marietta College in Ohio. Her unconventional career path began with a grandfather working as an oil and gas “pumper” who often took her to the field with him and a chemical engineer father. Diana’s technical experience has focused on drilling & completions and production in the upstream oil and gas industry. Her rise from foreman and engineer to manager and vice president reflects her values of understanding both the technical work and the challenges that staff today face in completing these tasks.

  • Over 25 years Upstream oil & gas
  • International executive and operations experience
  • Innovation and change leader
  • Corporate level risk analysis and controls
  • EHS management system and values
  • Corporate Governance and Engineering Standards
  • Project management and review

Early Years

Middle Years

Executive and Board Years

Professional Development