| ILLINOIS SCHOOL SYSTEM AUDITThe Dineff FamilySummit, Illinois — Law, Greylord, School Board & Township Power |
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| OperationGreylord | SD 104School board | Lyons TwpDem committeeman | 63rd StFamily law offices |
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866-312-6456 | auditor@illinoisschooldistrictaudit.com | IllinoisSchoolDistrictAudit.com | May 2026
| What the Dineff Family RepresentsThe Dineff family of Summit, Illinois represents a different category of political power than the Hastings or Ozinga dynasties. They are not a major media presence or a statewide brand. They are the ground-level operators — the ward-level attorneys, school board members, and township committeemen who control the machinery at the precinct level in southwest Cook County. Their story begins with federal judicial corruption (Operation Greylord), runs through Summit School District 104, the Village of Summit trustee seats, and the Lyons Township Democratic committeeman role. The family law firm — Dineff & Dineff — operated at 7641 West 63rd Street in Summit, the same address as the township Democratic headquarters network. This is how local machines work: the family controls the legal work, the school board appointments, the township patronage, and the precinct organization simultaneously. |
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Christ and Dora Dineff — The Parents
Role: Patriarch and matriarch of the Summit Dineff family
Children: Louis C. (Lou), David C., Alan D., Laurel V., Beverly (deceased)
Base: Summit, Illinois — Village of Summit-Argo, Cook County
Louis C. (Lou) Dineff — The Greylord Attorney
| Item | Detail |
|---|---|
| Education | Northwestern University; Stanford University — highly credentialed for a southwest suburban machine attorney |
| Law license | Surrendered as part of Operation Greylord plea agreement, late 1980s |
| Federal conviction | Pleaded guilty to two misdemeanor tax-fraud charges; sentenced to 6 months in federal prison; fined $20,000 |
| Operation Greylord | One of 92 public officials indicted in the FBI/IRS probe of Cook County judicial corruption at the 5th Municipal District courthouse. 17 judges, 48 lawyers, 10 deputy sheriffs, 8 police officers convicted. |
| Post-conviction career | Became 'successful Summit businessman' and 'extremely wealthy' property investor per Mayor Strzelczyk |
| Village of Summit | Served TWICE as Village Trustee — post-conviction |
| Summit SD 104 | Elected to Summit School District 104 Board of Education as a WRITE-IN CANDIDATE in 1999 — post-conviction |
| Lyons Township | At least two terms as Lyons Township DEMOCRATIC COMMITTEEMAN |
| Death | February 2015, age 72 |
| Eulogized by | Summit Mayor Joe Strzelczyk — 'lifelong friend,' 'friends for 65 years,' 'played football and baseball together as kids' |
| ⚠ HOW A CONVICTED FELON GETS BACK ON A SCHOOL BOARDLou Dineff pled guilty to federal charges, went to prison, lost his law license — and then served on a school board. How? He ran as a WRITE-IN CANDIDATE. Illinois has no centralized pre-oath verification of the disqualification grounds under 105 ILCS 5/10-10. The statute disqualifies anyone 'previously removed from a school board for misconduct' — but not someone convicted of federal crimes who was never on a school board before. The write-in strategy bypasses the normal petition review process. Nobody is checking. This is exactly the pre-oath compliance gap documented in the Illinois School System Audit's Pre-Oath Compliance Report. |
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| ⚠ THE GREYLORD CONTEXTOperation Greylord was the largest judicial corruption investigation in U.S. history at the time. It exposed systematic bribery at Cook County courts — lawyers paying judges for favorable rulings, cases being fixed, evidence being manipulated. Lou Dineff was caught at the 5th Municipal District courthouse. The 5th Municipal District covers the southwest suburbs — exactly the geography of Summit, Lyons Township, and the Argo area. The same courthouse that served his community's legal matters was the courthouse where he was paying bribes. |
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David C. Dineff — The Neighborhood Attorney
| Item | Detail |
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| Education | Attorney — practiced in Summit/Justice area for over 45 years |
| Firm | Dineff & Dineff (with sister Laurel) — 7641 West 63rd Street, Summit, then Village of Justice |
| Practice area | General neighborhood practice — real estate, estate planning, general civil |
| Character | Per ISBA obituary: 'outgoing, kind, friend to everyone who met him'; had rescue cats in his law office to calm nervous clients |
| Wife | Suzie (nee Raetz) — worked with him for over 44 years |
| Children | Christi and David Laz |
| Death | March 2022, age 73 |
| ISBA notice | Illinois State Bar Association published his obituary — long-standing ISBA member |
| NOTE: David C. Dineff vs. David Laz DineffDavid C. Dineff (the attorney, died 2022) is distinct from his son David Laz Dineff. David C. is the brother of Lou and Alan. 'David Laz' is David C.'s son — the next generation. Track David Laz Dineff separately as part of the generational network analysis. |
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Alan D. Dineff — The Active Attorney
| Item | Detail |
|---|---|
| Current status | Active attorney, Summit-Argo area, 40+ years experience |
| Practice area | Real estate — primary focus |
| Firm | Dineff & Dineff (partner with sister Laurel) — 7641 West 63rd Street, Summit |
| Profile | Lawyer.com: 40 years experience in real estate, Summit Argo IL |
| Avvo profile | Rated attorney, Summit Argo, active ARDC registration |
| Business entity | Alan D. Dineff / Laurel V. Dineff: Partners in Dineff & Dineff |
| ⚠ REAL ESTATE ATTORNEY IN A HEAVILY DEVELOPED MUNICIPALITYAlan Dineff is a real estate attorney operating for 40+ years in Summit — a municipality that has been the subject of significant commercial development, liquor license activity, and property transactions. His brother Lou served on the school board and as village trustee and as Lyons Township Democratic committeeman. The combination of a real estate attorney in the family and a village trustee/school board member/township committeeman in the same family creates the classic conflict structure: who reviews property transactions involving the village? Who sits on the school board that votes on school property? FOIA: All real estate transactions involving Dineff-affiliated entities and public bodies in Summit. |
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Laurel V. Dineff — The Trademark/IP Attorney
| Item | Detail |
|---|---|
| Current firm | Dineff Trademark Law Limited — President/Owner |
| Specialties | Intellectual Property, Trademarks, Copyright, Domain Names, Prosecution |
| Prior firm | Dineff & Dineff (partner with Alan) — Summit |
| Address | Summit Argo, IL |
| Licensed contractor | Listed on BuildZoom as contractor in Summit, top 99% of IL contractors — interesting for a trademark attorney; likely related to property interests |
| Limited public profile — Greater Chicago Area |
Beverly Dineff — Deceased
Status: Predeceased other siblings; mentioned in David C.'s ISBA obituary as 'the late Beverly Dineff'
| The Summit Machine — Classic Southwest Suburban StructureThe Dineff family operated the classic southwest suburban ward machine: one family member controls the legal work (David C. and Alan as the neighborhood attorneys handling real estate, estates, and civil matters for Summit residents), another family member controls the political appointments (Lou as village trustee and school board member), and the family controls the township Democratic committeeman role that determines who gets on the ballot, who gets patronage jobs, and who the party endorses in local races. |
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Summit School District 104: elementary district serving Summit-Argo. Lou Dineff on school board.
Village of Summit: Lou Dineff twice elected village trustee.
Lyons Township Democratic Organization: Lou Dineff at least two terms as committeeman. The township org controls precinct captains, endorsements, and the party structure for all of Lyons Township.
Dineff & Dineff law firm: 7641 W. 63rd Street, Summit — same corridor as the township Democratic headquarters at 63rd and Archer.
Summit Mayor Joe Strzelczyk: lifelong personal friend of Lou's, played sports with him as children, eulogized him publicly — the mayor and the political operator were intertwined for 65 years.
| The 5th Municipal District ConnectionLou Dineff was caught bribing at the 5th Municipal District courthouse. That courthouse serves: Summit, Bridgeview, Justice, Bedford Park, Lyons, McCook, Willow Springs — the exact communities where the Dineff family practiced law and operated politically. The clients appearing in that courthouse were the same residents who voted for Lou in Summit and whose real estate deals Alan was handling. The bribery was embedded in the community the family served. |
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District: Summit School District 104
Address: 7505 W. 63rd St., Summit, IL 60501 | 708-458-0505
Type: Elementary district (K-8)
Lou Dineff's role: Elected to school board as WRITE-IN CANDIDATE in 1999 — after federal conviction and loss of law license
Were any legal contracts or referrals made from the school district to Dineff & Dineff attorneys while Lou was on the board?
What contractors were awarded construction and maintenance contracts during Lou's board tenure?
Were any property transactions involving the district reviewed or facilitated by Alan Dineff as real estate attorney?
Was Lou Dineff's federal conviction ever disclosed to the board or to ISBE before he was seated?
Lyons Township covers a large swath of southwest Cook County including Summit, Stickney, Countryside, LaGrange, Western Springs, Indian Head Park, and adjacent areas. The Township Democratic Organization controls:
Precinct captains across the township — the ground troops of every Democratic primary and general election
Township patronage positions — road commissioner jobs, assessor staff, township employees
Endorsements — who appears on the Democratic slate for local offices including school board
The township office itself — supervisor, assessor, collector, highway commissioner, trustees
| Lou Dineff as Lyons Township Democratic CommitteemanAs Democratic Committeeman, Lou Dineff was responsible for organizing the precinct apparatus in his precincts, delivering votes, and participating in the county central committee that selects candidates to fill vacancies. This is the same role that controls who gets on school board slates. A committeeman who is also on the school board, also a village trustee, whose brothers are the local real estate attorneys — this is the textbook definition of structural capture of a local government network. |
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Summit is not just the Dineff family story. The village has a documented pattern of government corruption independent of the Dineffs:
Summit Police Chief John Kosmowski: indicted by federal grand jury for sharing a bribe from a business owner in 2017 to facilitate transfer of a liquor license for the Mars Bar
Summit Public Works Director Bill Mundy: also indicted in the same bribery scheme; both placed on unpaid leave
Mayor Joe Strzelczyk: served 18 years as mayor (Lou Dineff's lifelong friend); died in office May 2015
Former Lyons Mayor (adjacent): Edgar County Watchdogs reported on a former Lyons mayor (ex-convict) using village vehicles and personnel for personal birthday party
| Pattern RecognitionSummit is a small municipality — population approximately 11,000 — that has seen: federal judicial corruption (Greylord), federal bribery of a police chief and public works director (liquor license scheme), a school board member who was a convicted felon (Lou Dineff), and a 30-year mayorship by the convicted felon's lifelong childhood friend. This is not a series of unrelated incidents. It is a pattern of institutional capture that has persisted for decades. |
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Summit SD 104: FOIA all board minutes 1999-2010 — search for any votes involving Dineff family businesses, Dineff & Dineff legal fees, or construction contracts during Lou's tenure
Village of Summit: FOIA all contracts and vendor payments during Lou Dineff's two trustee terms — identify any Dineff-affiliated businesses
Cook County Clerk: Pull Lou Dineff's Statement of Economic Interests filings from his time on SD 104 board and village trustee — did he disclose his real estate holdings and his brothers' law firm?
ARDC: Check Alan Dineff's current ARDC status and any complaint history
Cook County Recorder: Search all real estate transactions listing Dineff as grantor/grantee/attorney in the Summit-Argo area — build a property map
Illinois SOS: Search for all business entities registered to any Dineff family member in Illinois
Illinois SOS Campaign Finance: Search all contributions and committees associated with Dineff family members
Lyons Township: FOIA all minutes from the Democratic Organization's public meetings during Lou Dineff's committeeman terms — who was endorsed, who was slated for vacancies
Summit SD 104 current board: Who are the current board members? Any family connections to the Dineff network or to Mayor Strzelczyk's machine?
David Laz Dineff (David C.'s son): Search for any current public roles, business registrations, or political activity — track the next generation
Christi Dineff (David C.'s daughter): Same search — next generation tracking
Federal court PACER: Search for any civil or criminal proceedings involving Dineff family members beyond the Greylord conviction
Illinois School System Audit | 866-312-6456 | auditor@illinoisschooldistrictaudit.com | May 2026