# Jon Roll — Courses & Reviews | UW–Madison [View on UW Courses](https://uwcourses.com/instructors/JON_ROLL) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 94468b7d4154126ca413937bb4738a6d21e0c2277f6fa397a6078ad80a32384f ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T23:19:01.870283+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## instructor ### instructor uid instructor\_9af113078c141c04e7bee508 ### source enrollment ### source instructor id jtroll ### identity basis netid ### identity status source\_identified ### name Jon Roll ### email JTROLL\@WISC.EDU ### first observed at 2026-09-07 15:55:43.033547+00:00 ### last observed at 2026-09-07 15:55:43.033547+00:00 ### ratings #### review count 34 #### quality 3.29 #### difficulty 3.18 #### quality count 34 #### difficulty count 34 #### profile id rmp:133421 #### source url #### match basis exact\_name #### observed at 2026-09-07 16:30:48.277587+00:00 #### courses ##### course 52774b2740fd40fe6fedc78b ###### review count 1 ###### quality 5 ###### difficulty 2 ###### quality count 1 ###### difficulty count 1 ##### course b38eddf04e5d9b58f70c1241 ###### review count 1 ###### quality 2 ###### difficulty 4 ###### quality count 1 ###### difficulty count 1 #### bayesian quality 3.4269206605728133 #### prior mean 3.6596857835465957 #### prior weight 20 ### current true ### courses | course\_uid | course\_id | title | credits\_min | credits\_max | gpa | | -------------------------------- | ------------ | ----------------- | ------------ | ------------ | ----- | | course\_1897bd5f934367a1b50f1802 | MICROBIO 299 | INDEPENDENT STUDY | 1 | 3 | 3.905 | | course\_c37522259f59b2a6bfa24d0f | MICROBIO 699 | SPECIAL PROBLEMS | 1 | 4 | 3.931 | ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### instructor url /instructors/JON\_ROLL ## history | term | course\_uid | course\_id | title | | ---- | -------------------------------- | ------------ | ----------------- | | 1272 | course\_1897bd5f934367a1b50f1802 | MICROBIO 299 | INDEPENDENT STUDY | | 1272 | course\_c37522259f59b2a6bfa24d0f | MICROBIO 699 | SPECIAL PROBLEMS | ## timeline | term | courses | | ---- | ------- | | 1272 | 2 | ## term 1272 ## courses ```json [ { "course_uid": "course_1897bd5f934367a1b50f1802", "course_id": "MICROBIO 299", "title": "INDEPENDENT STUDY", "credits_min": 1, "credits_max": 3, "gpa": 3.905, "badges": [ { "id": "rated-teacher", "label": "Highly rated instructor", "tone": "positive", "evidence": "Fall 2026: Michael Thomas (4.24/5 adjusted; 18 ratings). 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A/AB (n=6 letter grades)." }, "reviewFiles": [] } } ] ``` ## reviews ### items ```json [ { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQxMDY4ODM3", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2025-04-28 15:21:09 +0000 UTC", "comment": "People saying they don't like Dr. Roll don't belong in an advanced Micro lab. He is definitely disorganized, but insanely educated and helps students get to where they need to be. Treats students like real scientists, and actually prepares you for doing lab work. If you are a competent student that can problem solve, you will have no issues. ", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 5, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwNDExNzI5", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2024-12-22 00:33:40 +0000 UTC", "comment": "Very nice person but an awful professor. Always joking around; caring for students but demanding in grading. Quiz is impossible to study as it's focused on minutiae. MAKE SURE you understand micromath at the start of the semester!\nLab manual is super confusing, and some labs require out of class measurement.\n\nBtw he once forgot his own appointment.", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 4, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMTkzMzcz", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2024-12-10 14:57:10 +0000 UTC", "comment": "DO NOT take this awful professor, he never is prepared with his class, last minute finishes his planning. Grading is absolutely ridiculous, takes forever to grade. Doesn't seem to want you to do well in course, condescending and will make you want to give up the whole semester. Just actually worst professor in microbiology department. ", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 1, "difficulty_rating": 5 }, { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMTMwNTI1", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2024-12-06 03:19:54 +0000 UTC", "comment": "Dr. Roll's assignments lack clear and comprehensive grading criteria, comments, and explanations, so it's easy to lose points in unexpected and incomprehensible ways, and difficult to modify. When you ask him questions, his answers are likely inconsistent, which is unprofessional. This will undoubtedly put a bad spin on your overall semester.", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 1, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMTI2NjMw", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2024-12-05 23:33:30 +0000 UTC", "comment": "There was no syllabus for the class. The feedback he gave was practically useless. Avoid this guy unless you hate yourself", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 2, "difficulty_rating": 4 }, { "observed_at": "2026-09-07 16:30:48.277587+00:00", "run_id": "20260907T155543-ce3781c4", "source_review_id": "UmF0aW5nLTQwMTI1NTQ0", "source_instructor_id": "rmp:133421", "instructor_name": "Jon Roll", "course_label": "MICRO527", "course_id": null, "course_uid": null, "review_date": "2024-12-05 22:39:31 +0000 UTC", "comment": "As a person, Jon is a funny and entertaining guy. As a professor, he's incredibly frustrating. His spur-of-the-moment teaching style makes for a disorganized classroom. Needless downtime was common. This bleeds into his grading, making it incredibly difficult to anticipate what he wants from you. The sparse feedback he gives is rarely helpful.", "source_url": "https://www.ratemyprofessors.com/professor/133421", "quality_rating": 1, "difficulty_rating": 4 } ] ``` ### total 34 ### page 1 ### courses | course\_uid | course\_id | | -------------------------------- | ------------ | | course\_52774b2740fd40fe6fedc78b | MICROBIO 102 | | course\_b38eddf04e5d9b58f70c1241 | MICROBIO 303 | ### matched true ## social Image true