Sangha Logo

Board of Directors



Doug Norton is a graduate of Louisiana State University and has been working as a petroleum engineer for over 40 years. Most recently he served as Chief Operating Officer for Warren American Oil Company here in Tulsa. He serves on the Planning Committee for the Improved Oil Recovery Symposium (an international biennial conference hosted by the Tulsa Chapter of the Society of Petroleum Engineers) and the Planning Committee for the Tulsa Irish Fest (brought to you by the Oklahoma Oil Patch). He is a Founding Member of ADAM-Tulsa, a local industry educational and networking group.

Doug has been married to Rebecca Norton since 1983. Rebecca is a Licensed Professional Counselor, specializing in addiction and family therapy.


Vice Chair

Tiffany Bjorlie is an International Banking Specialist at Bank of Oklahoma. In this role, Tiffany examines, negotiates, and advises export letter of credit clients on large dollar international trade transactions. Prior to joining Bank of Oklahoma Tiffany has worked as a Case Manager for the State of Oklahoma, as an Instructional Assistant for individuals with autism and intellectual disabilities, as a Manager of Purchasing and Logistics in the oil and gas industry and she also owned and operated her own retail small business located in the Brookside area of Tulsa.

Tiffany holds a Bachelor of Business Administration-Marketing Integrated Communications degree from the University of Central Oklahoma. She has also earned certifications in Documentary Collections and Behavioral Interventions in Autism.

In additional to her volunteer work with Sangha, Tiffany also serves on the Community Awareness and Development Committee for the Center for Individuals with Physical Challenges and supports many other local Tulsa-area non-profits. Besides volunteerism, Tiffany enjoys traveling, healthy dining, exercise and spending time with her family.


John E. Curzon is a Founding Partner of CCK Strategies, PLLC. He is a Certified Public Accountant accredited in Business Valuation and is a Certified Merger & Acquisition Advisor. Curzon holds a Bachelor of Science degree in accounting and business administration from the University of Kansas and is a member of various professional organizations.

Primary areas of practice include: merger and acquisition consulting; business transition and succession planning; strategic business structure planning; international and domestic income tax consultation; operational strategies for entrepreneurs; and business valuation.

Curzon is a member and past Chair of the Oklahoma Governors’ International Team. Curzon is also a member of IR Global, an international network of professional service firms, and a past member of the Accountancy Committee. He is a member and past Chair of the Professional Ethics Committee of the Oklahoma Society of CPA’s. Curzon is a member and past Chair of the OSCPA Editorial Board of CPA Focus Professional Magazine and is a contributing author. He is Chair of the Tulsa Region Board of Directors for Junior Achievement of Oklahoma and Chair of the Board of Sangha, an organization providing sober living housing to individuals in recovery.

Michael P Knapp Sr

Board member Michael P Knapp Sr is a resident of Tulsa County and serves Sangha as Director of Facilities. He is currently a managing member of Lakeland Management LLC, Lakeland Energy LLC and Aspen Hill Holdings LLC, after previously working as Vice President of Land for Kaiser Francis Mid-Continent LLC. His desire to serve Sangha stems from numerous family members and friends who have struggled with drug and alcohol addiction and the associated behavioral issues.

Naresh Persaud

In 1972, Naresh and his family emigrated to the United States, to The Bronx, by way of the former British Guyana. The Persauds identified with their Caribbean culture as much as their Indian ancestry. In 1992, at age 21, Naresh moved to Tulsa for school. In Tulsa, he took his oath of U.S. citizenship, and now likes to refer to himself as a “naturalized Okie.”

Naresh earned his bachelor’s degree in organizational leadership from Southern Nazarene University and served in the hospitality industry for 17 years before becoming an officer with the Tulsa Police Department (TPD). Now a Lieutenant in TPD’s Information Technology Division, Naresh continues to work patrol shifts and special events. In his TPD career, he has worked in the Community Engagement Unit, as a burglary detective and a crime scene detective. Naresh is also a member of the Tulsa Police Honor Guard and is on The Special Operations Team (SWAT) as an FBI-certified crisis negotiator.

Naresh was part of the inaugural group of the Mayor’s Community and Police Leadership Collaborative and had a role in the development of the Cultural Competence program at TPD. He is an instructor on verbal de-escalation techniques and mental health crisis intervention for all TPD cadets and many community partners.

“I am eager to see how my history and experience will allow me to be of service to the Sangha community effort,” he says.

Sloane Ryan Lile

Raised in Tulsa, Oklahoma, Sloane is an associate attorney with Tulsa’s Eller & Detrich law firm. Her practice expertise includes civil, business, employment, and construction litigation.

Sloane graduated from Texas A&M University in 2000 with a bachelor’s degree in industrial engineering, then completed law school at the University of Tulsa College of Law in 2006. That same year, she was admitted to the Oklahoma Bar Association. She is also a member of the American Bar Association and Tulsa County Bar Association.