Department Adminstrators

Director of Special Education

Ms. Renée J. Erickson

Phone: 847-755-6835

Email:

Degrees and Certifications:

Ms. Renée J. Erickson

Director of Special Education Renée Erickson oversees special education policies and procedures for the district. She provides leadership in developing, implementing and evaluating programs and services for the education of students with a disability, as well as provides district-wide supervision of special education programming.  Ms. Erickson graduated with a bachelor’s degree in special education from Illinois State University in 2002. She received her master’s degree in teaching and leadership from Saint Xavier University in 2007.  Ms. Erickson began her District 211 career as the assistant director of special education in 2009 and was named as the director of special education in 2014.  Prior to working in District 211, Ms. Erickson served as the assistant director of special education for Consolidated School District 158, and as a special education teacher in Consolidated School District 158 and Cary Community Consolidated School District 26.

Director of Summer School & Community Outreach

Ms. Jacquese L. Gilbert

Phone: 847-755-6725

Email:

Degrees and Certifications:

Ms. Jacquese L. Gilbert

Director of Summer School & Community Outreach Jacquese Gilbert oversees Summer School, Evening Programs, Continuing Education, and Title 1.  Ms. Gilbert provides community outreach services that help improve quality of life to individuals and groups in the community at large, as well as access to community resources.  Ms. Gilbert began her career in District 211 in 1993 at Fremd High School as a physical education teacher and basketball coach.  In 2001, she joined the administrative team as a 10-month assistant principal at Fremd High School where she remained until her promotion to 12-month assistant principal at Schaumburg High School in 2004.  After a year at SHS, Ms. Gilbert transferred to the Hoffman Estates High School administrative team as an assistant principal, remaining there until 2009.  She served as the 12-month assistant principal for discipline at Palatine High School from 2009-2018, and most recently served in that capacity at Hoffman Estates High School before her promotion to the Administration Center in 2019.  Ms. Gilbert earned her bachelor’s degree in physical education from the University of Illinois at Chicago and a master’s degree in education from Chicago State University.  Ms. Gilbert earned her Administrative Certificate from Loyola University.

Facilities & Energy Manager

Mr. David G. Grelyak

Phone: 847-755-6732

Email:

Degrees and Certifications:

Mr. David G. Grelyak

Facilities & Energy Manager David Grelyak has served in this capacity since July 1, 2018.  Mr. Grelyak’s responsibilities focus on District 211’s use of electricity, natural gas, and water, with the main goal to conserve on the use of utilities without compromising the educational environment for students and staff.  All phases of building operations are under continuous evaluation, with the purpose of taking advantage of cost-saving opportunities.  Mr. Grelyak works closely with building administration, staff, and maintenance departments to maximize efficiency, as continuous monitoring of facilities contributes to the overall energy savings in District 211.  Prior to his current position, Mr. Grelyak was the building and grounds manager at Palatine High School since 2003.  While in that role, he coordinated multiple major construction projects, worked with mechanical and automation systems, and provided oversite and supervision of the custodial maintenance staff.  Mr. Grelyak has worked in District 211 since 1993, when he began his employment involved in the management and improvement of District facilities.  He worked in general maintenance and warehouse operations at the Administration Center for 10 years, including spending five years working on electrical installation throughout the District.  Mr. Grelyak earned a bachelor’s degree from Western Illinois University in 1993.

Director of Instructional Improvement

Dr. Danielle L. Hauser

Phone: 847-755-6628

Email:

Degrees and Certifications:

Dr. Danielle L. Hauser

As Director of Instructional Improvement, Dr. Danielle Hauser coordinates implementation of the dual credit program, the development and implementation of professional learning opportunities including the new educator program, the implementation of district and State assessments, analysis of local and state student performance data, and secures external funding for developing new programs and sustaining existing programs through federal, state, and private grants.  She also directs the implementation of and district participation in the Illinois Standards and Assessment Program and Federal NCLB/ESSA program.  In addition, Dr. Hauser supports the efforts of building administrators for staff development and school improvement planning.  Dr. Hauser earned her doctorate in education in teaching and learning from Illinois State University.  She holds a bachelor’s degree in mathematics education from Ball State University (Muncie, Ind.), a master’s degree in teacher leadership from Roosevelt University, and a second master’s degree in leadership and organizational change from Roosevelt University.  Dr. Hauser was appointed director of instructional improvement in July, 2009.  She came to the Administration Center from James B. Conant High School, where she had been a 12-month assistant principal since July, 2008.  Dr. Hauser also served as a 10-month assistant principal and dean of students at the school from 2005-2008.  Prior to her administrative experience, Dr. Hauser was a mathematics teacher at Conant High School since the fall of 1999.  Her teaching career began in 1997 at Clay Junior High School in Carmel, Ind., where she taught mathematics.

Assistant Director of Special Education

Dr. Mary Pat Krones

Phone: 847-755-6639

Email:

Degrees and Certifications:

Dr. Mary Pat Krones

Assistant Director of Special Education Dr. Mary Pat Krones provides support and guidance in the development, implementation and evaluation of District special education programming and services.  Dr. Krones also provides guidance and support to IEP teams as they work to meet the unique educational needs of individual students with special needs, as well as coordinates the placements of students with disabilities in appropriate educational programming within and outside of District 211.  Dr. Krones was named assistant director of special education in August 2009.  Dr. Krones earned her doctorate of education in teaching and learning from Illinois State University in 2016.  She earned a master’s degree in psychology, a specialist in school psychology degree, from Eastern Illinois University, and a second master’s degree in Educational Administration from Northeastern Illinois University.  Dr. Krones received her bachelor’s degree in special education from Eastern Illinois University. Prior to coming to High School District 211, she served a program supervisor for the North Suburban Special Education District (NSSED) in Highland Park, and as a school psychologist for Waukegan School District 60.

Director of Business Services

Mrs. Karen R. Lasher

Phone: 847-755-6648

Email:

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Mrs. Karen R. Lasher

Director of Business Services Karen Lasher began her current position during the summer of 2019, where she administers the District’s insurance programs, including health, dental, life, annuities, worker’s compensation, liability, fire and property, and promotes risk management and tort liability prevention.  She serves as the District’s authorized agent for the Illinois Municipal Retirement Fund (IMRF) and the Teacher’s Retirement System (TRS), and also serves as the District’s pre-retirement counselor.  Mrs. Lasher joined District 211 in 2009 as the administrative assistant to the principal at Hoffman Estates High School, where she remained until 2017 when she was promoted to the assistant to the director of business services at the Administration Center.  Prior to her service in District 211, Mrs. Lasher worked in management at United Airlines. In her final position as a senior staff specialist, she supported a multitude of business operations through analyzing business methods and increasing efficiencies.  Mrs. Lasher earned her bachelor’s degree in management from National Louis University.

Director of Food & Nutrition Services

Mrs. Stacy L. Lenihan

Phone: 847-755-6680

Email:

Degrees and Certifications:

Mrs. Stacy L. Lenihan

Director of Food & Nutrition Services Stacy Lenihan aids in the establishment of safe and healthful procedures for the District’s food and nutrition services department. She is responsible for upholding nutrition standards for meals provided to students. She also is responsible for adherence to National School Meal Program regulations, as well as assisting with training, purchasing, record keeping, and selection and evaluation of food service personnel. Mrs. Lenihan began her District 211 career in January 2014. She received her bachelor’s degree from Bradley University (Peoria, Ill.) in food, nutrition, and dietetics and received a master’s degree from Benedictine University (Lisle, Ill.) in nutrition and wellness. She is a registered dietitian and has her Illinois Sanitation License.

Director of Transportation

Mrs. Diana J. Mikelski

Phone: 847-755-6798

Email:

Degrees and Certifications:

Mrs. Diana J. Mikelski

Director of Transportation Diana Mikelski oversees one of Illinois’ largest school-owned bus fleets, with approximately 160 District 211 buses and vans transporting nearly 9,000 students more than 7,700 miles each school day.  Mrs. Mikelski was promoted to her director position in 2017, after serving as assistant to the director of transportation since 2015.  

Mrs. Mikelski has 26 years of experience in student transportation. Prior to joining District 211 in 2015, she was the supervisor of transportation for Community Unit School District 118 in Wauconda for 12 years.  She is also certified through the State of Illinois as a driver trainer instructor since 2010. 

Accounting Manager

Ms. Sandra A. Mir

Phone: 847-755-6660

Email:

Degrees and Certifications:

Ms. Sandra A. Mir

Accounting Manager Sandra Mir supervises the daily activities of the accounting department, including payroll, accounts payable, district cashier, and student activities.  She also manages the District's daily cash flow through the receipt and investment of real estate taxes and governmental aid receipts, banking wires, and ACH transactions.  In addition, Ms. Mir reconciles monthly cash receipts, disbursements, and the general ledger as well as overseeing preparation of TRS reports, payroll taxes, W-2 and 1099 forms, and all year-end audit reports.  Ms. Mir earned her bachelor’s degree in business administration from Loyola University Chicago in 1985, and became a certified public accountant.  Prior to coming to High School District 211 in 2013, Ms. Mir served as a staff accountant at a local CPA firm, managing tax preparations and financial records for small businesses.  She also worked for three other Chicago firms from 1985-1995, conducting audits, preparing financial reports, and managing other financial matters.  

Director of Facilities and Purchasing

Mr. John V. Pahlman

Phone: 847-755-6792

Email:

Degrees and Certifications:

Mr. John V. Pahlman

Director of Facilities and Purchasing John Pahlman oversees capital improvements and the custodial maintenance staff.  His responsibilities also include overseeing day-to-day operations at all of the District’s facilities.  Mr. Pahlman began working in District 211 during the summer of 2019. His career in construction and facility management started in 1987 at Lannan Woodworks in Round Lake Park, Ill. Mr. Pahlman began working in school facility management as the director of buildings and grounds at Ridgeland School District 122 in Oak Lawn.  He also served as director of maintenance and operations for Community Consolidated School District 62 in Des Plaines, director of operations for Niles Township High School District 219, and interim assistant director of operations for construction at Township High School District 214.  Mr. Pahlman received his associate’s degree in applied science, heating, air conditioning, and refrigeration (2001) and his bachelor’s degree in business and technology from Governor’s State University (2003), and a master’s degree in school business management from Northern Illinois University (2005).  He secured a superintendent’s endorsement in 2012 and is currently working towards his doctorate in educational leadership from Western Illinois University.

Controller & Treasurer

Mrs. Barbara J. Peterson

Phone: 847-755-6669

Email:

Degrees and Certifications:

Mrs. Barbara J. Peterson

Controller and Treasurer Barbara Peterson joined the District 211 accounting team in February 2009. She is responsible for all accounting, financial reporting, projections and budgeting for the District. She also oversees the accounting, accounts payable, and payroll departments. As treasurer, she is responsible for overseeing the District’s Investment Policy, banking relationships, and internal controls over revenue and disbursement streams. Prior to serving in District 211, Mrs. Peterson spent four years in public accounting and has eight years of private industry experience. She earned her bachelor’s of science degree in accountancy from the University of Illinois and became a Certified Public Accountant in May 1987.

Human Resources Assistant

Mrs. Anita M. Seaholm

Phone: 847-755-6718

Email:

Degrees and Certifications:

Mrs. Anita M. Seaholm

 Human Resources Assistant Anita Seaholm coordinates major personnel reports, surveys and information; assists in the preparation and administration of salary development and information, and coordinates unemployment claims and hearings.  She also assists staff with leaves of absence, and recommends policies and procedures in compliance with federal laws and regulations.  Additionally, Mrs. Seaholm assists staff and administration with various personnel practices including hiring, terminations, disciplinary actions and payroll-related issues. Mrs. Seaholm graduated with her bachelor’s degree from Roosevelt University, majoring in Human Resource management.  She was employed in corporate HR for over eight years prior to beginning her District 211 career as personnel assistant in 2004.

Assistant Director of Special Education

Ms.  Lindsay M. Tiritilli

Phone: 847-755-6637

Email:

Degrees and Certifications:

Ms. Lindsay M. Tiritilli

Assistant Director of Special Education Lindsay Tiritilli provides support and guidance in the development, implementation and evaluation of District special education programming and services.  Ms. Tiritilli also provides guidance and support to IEP teams as they work to meet the unique educational needs of individual students with special needs, as well as coordinates the placements of students with disabilities in appropriate educational programming within and outside of District 211.  Ms. Tiritilli began her service with District 211 in the summer of 2019.  Ms. Tiritilli began her career in Special Education in 2006 as a special education teacher with Antioch Community High School.  In 2008 she joined Barrington High School first as a special education teacher and later as assistant department head of special services.  In 2012, she took over the position of Section 504 coordinator, a position she held until 2017 when she was appointed Director of Student Services, Secondary Level for District 220.  Ms. Tiritilli earned a Bachelor’s Degree in Elementary and Special Education from Lewis University in 2006, and a Master’s Degree in Educational Leadership from Northeastern Illinois University in 2010.  She secured an endorsement as a director of special education through graduate work at the University of Saint Francis.

Director of Athletics & Activities

Mr. Eric P. Wenckowski

Phone: 847-755-6770

Email:

Degrees and Certifications:

Mr. Eric P. Wenckowski

Director of Athletics & Activities Eric Wenckowski coordinates the work of the athletic activity directors and monitors budgets for athletics, activities, physical education, driver education, and health. He also serves as the District’s Title IX coordinator and assures compliance.

Mr. Wenckowski received his bachelor’s degree in human resource management from Northern Illinois University. He earned his master’s degree in education from Roosevelt University, and also completed his type 75 administrative certificate from Roosevelt University. Mr. Wenckowski began his District 211 career in 2002 as a business education teacher at Fremd High School. He served as the school’s dean of students in 2005-2006, before being promoted to 10-month assistant principal in 2006. He was named 12-month assistant principal in 2009, serving two years in that capacity, and was named the District’s director of human resources in 2011. In 2016, Mr. Wenckowski was named Director of Athletics & Activities. Mr. Wenckowski began his teaching career at East and West Lyden High Schools in 1995, and also taught at Oak Park River Forest High School.