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EDUCATION CURRICULUM VITAE CHRISTINE STEUBBEN HEIM 12655 Ward Drive Chesterland, OH 44026 Telephone: +440 729 9274 B.Sc. (Biomedical Engineering) Case Western Reserve University, Cleveland, Ohio (1992) E.I.T. Passed, April 1991 PRESENT POSITIONS Operations Manager Operations Manager Orthopaedic Research Laboratories Current Concepts Institute, Inc. 2310 Superior Avenue East 2310 Superior Avenue East Cleveland, Ohio 44114 Cleveland, Ohio 44114 Telephone: + 216 523 7012 Facsimile: + 216 523 7005 E-mails: chris@orl-inc.com / chris@ccjr.com PREVIOUS POSITION Operations Manager (October 2001 September 2008) Orthopaedic Research Laboratories Lutheran Hospital - Cleveland, Ohio 44113 Engineering Associate (February 2000 September 2001) Orthopaedic Research Laboratories Lutheran Hospital - Cleveland, Ohio 44113 Engineering Associate (June 1991 January 2000) Orthopaedic Research Laboratories The Mt. Sinai Medical Center - Cleveland, Ohio 44106 SOCIETY MEMBERSHIPS American Society for Testing and Materials (ASTM), Subcommittee F-04, 1997 - Society for Biomaterials, 1997 - National Biomedical Engineering Society, 1991 1999 National, State, and Local Society of Professional Engineers, 1991 1999 AWARDS AND HONORS ASTM F-04 Committee Student Paper Award on Modularity in Orthopaedic Implants - 1995 Michelson-Morley Biological Research Achievement Award 2 nd place - 1991 Case Alumni Association Scholarship - 1987 New York State Regents Scholarship - 1987 Benevolent Protective Order of Elks State Scholarship - 1987

Christine S. Heim, B.Sc. - Page 2 ABSTRACTS & PUBLICATIONS 1. Tibial Plateau Surface Stress in TKA: A Factor in Clinical Failure. Postak PD, Steubben CM and Greenwald AS, Orthopaedic Transactions 17(4):1121, 1993-4. 2. Mechanical Characteristics of Patello-Femoral Replacements. Steubben CM, Postak PD and Greenwald AS, Orthopaedic Transactions 17(4):1126, 1993-4. 3. The Role of Constraint in Contemporary Modular Knee Systems. Postak PD, Heim CS and Greenwald AS in Surgical Technology International III: International Developments in Surgery and Surgical Research, Szabo Z, Kerstein MD and Lewis JE (eds.), Universal Medical Press, Inc., San Francisco, CA, 1995. 4. Femoral Stem Fatigue Characteristics of Modular Hip Designs. Heim CS, Postak PD and Greenwald AS, Orthopaedic Transactions, 18(4):1142, 1994-5. 5. Tibial Plateau Surface Stress in TKA: A Factor in Polymer Failure - Series II. Postak PD, Heim CS and Greenwald AS, Orthopaedic Transactions, 18(4):1164, 1994-5. 6. Tibial Tray Designs: A Catalyst for Early Osteolysis? Heim CS, McNamara M, Kirschenbaum D and Greenwald AS, Orthopaedic Transactions 19(2):459-60, 1995. 7. Femoral Stem Fatigue Characteristics of Modular Hip Designs - Series II. Heim CS, Postak PD and Greenwald AS, Orthopaedic Transactions 19(2):471-2, 1995. 8. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Failure - Series III: Posterior Stabilized Designs. Postak PD, Heim CS and Greenwald AS, Orthopaedic Transactions 19(2):479-80, 1995. 9. Factors Influencing the Longevity of UHMWPE Tibial Components. Heim CS, Postak PD and Greenwald AS in Instructional Course Lectures, Pritchard D (ed.), American Academy of Orthopaedic Surgeons, Chicago, IL, 1996. 10. Factors Influencing the Longevity of UHMWPE Tibial Components. Greenwald AS, Heim CS and Postak PD, Orthopaedic Transactions 20(1):166, 1996. 11. Stability Characteristics of Posterior Stabilized Total Knee Systems. Heim CS, Postak PD and Greenwald AS, Orthopaedic Transactions 20(1):167, 1996. 12. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series IV: PCL Substituting Designs. Postak PD, Heim CS and Greenwald AS, Orthopaedic Transactions 20(1):175, 1996. 13. Femoral Stem Fatigue Characteristics of Modular Hip Designs. Heim CS, Postak PD and Greenwald AS in Modularity of Orthopaedic Implants - STP 1301, Marlowe DE, Parr JE and Mayor MB (eds.) American Society for Testing and Materials, Philadelphia, PA, 1997. 14. Factors Influencing the Longevity of UHMWPE Tibial Components. Heim CS, Postak PD and Greenwald AS, Archives of the American Academy of Orthopaedic Surgeons 1(1):51, 1997. 15. Factors Influencing the Longevity of UHWMPE Tibial Components: Series II. Heim CS, Postak PD and Greenwald AS, Orthopaedic Transactions 21(1):55, 1997.

Christine S. Heim, B.Sc. - Page 3 16. Stability Characteristics of All-Polyethylene Tibial Designs. Heim CS, Postak PD and Greenwald AS, Orthopaedic Transactions 21(1):211, 1997. 17. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series V: All- Polyethylene Tibial Designs. Postak PD, Heim CS and Greenwald AS, Orthopaedic Transactions 21(1):218, 1997. 18. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage: Series VI. Postak PD, Heim CS and Greenwald AS, Orthopaedic Transactions 22(1):147, 1998-9. 19. The Influence of Shelf Storage Duration on Gamma Irradiated UHMWPE Tibial Components. Heim CS, Postak PD, Bohl JR and Greenwald AS, Orthopaedic Transactions 22(1):149, 1998-9. 20. The Stability Characteristics of Mobile Bearing Total Knee Designs. Heim CS, Postak PD and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 229, 1999. 21. Mobility Characteristics of Total Ankle Designs. Raikin SM, Heim CS and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 600, 2000. 22. Mobility Characteristics of Mobile Bearing Total Knee Designs. Heim CS, Postak PD and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 618, 2000. 23. Mobility Characteristics of Mobile Bearing Total Knee Designs Classification. Heim CS, Postak PD, Plaxton NA and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 2:661, 2001. 24. Mobility Characteristics of Total Ankle Designs. Raikin SM, Heim CS, Plaxton NA and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 2:667, 2001. 25. What Design Factors Influence Wear Behavior in Total Knee Replacement? Heim, CS, Postak PD and Greenwald AS in Implant Wear in Total Joint Replacement, Wright TM and Goodman ST (eds.), American Academy of Orthopaedic Surgeons, Rosemont, IL, 2001. 26. Classification of Mobile Bearing Knee Design: Mobility and Constraint. Heim CS, Postak PD, Plaxton NA and Greenwald AS, J Bone Joint Surg [Am] 83(Suppl. 2, Part 1):32-37, 2001. 27. The Bearing Surface Choice: Ten Questions a Surgeon Should Ask!. Greenwald AS and Heim CS, Semin Arthroplasty 14(2):68-77, 2003. 28. Mobile-Bearing Knee Systems: Ultra-High Molecular Weight Polyethylene Wear and Design Issues. Greenwald AS and Heim CS in Instructional Course Lectures, Pellegrini V (ed.), American Academy of Orthopaedic Surgeons, Rosemont, 54:195-206, 2005. 29. Ultra-High Molecular Weight Polyethylene in Total Knee Arthroplasty. Greenwald AS and Heim CS in Revision Total Knee Arthroplasty, Bono JV and Scott RD (eds.), Springer Science+Business Media, New York, pp. 10 23, 2005. 30. Modular UHMWPE Insert Design Characteristics. Greenwald AS and Heim CS in Total Knee Arthroplasty, Bellemans J, Ries MD and Victor J (eds.), Springer, Berlin, pp. 365-369, 2005.

Christine S. Heim, B.Sc. - Page 4 31. The Rationale and Performance of Modularity in Total Hip Arthroplasty. Heim CS and Greenwald AS, Orthopedics 28(9/Supplement):s1113-s1115, 2005. 32. Safety of Musculoskeletal Allograft Tissue. Joyce MJ, Boden SD, Brubaker SA, Heim CS and Greenwald AS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 8:359, 2007. 33. Surface Stress: A Factor Influencing Ultra High Molecular Weight Polyethylene Durability in Mobile-bearing Knee Design. Morra EA, Heim CS and Greenwald AS, Orthopedics 30(5 Suppl):35-38, 2007. 34. Musculoskeletal Tissue Safety. Joyce MJ, Greenwald AS, Boden SD, Brubaker SA and Heim CS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 9:373, 2008. 35. New Paradigm in Musculoskeletal Allograft Safety: Transplantation Transmission Sentinel Network. Joyce MJ, Kuehnert M, Brubaker SA, Greenwald AS and Heim CS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 11:579, 2010. 36. Clinical Retrieval and Simulator Comparison of an Investigational Cervical Disc Replacement: An A Priori Requirement. Postak PD, Heim CS, Morra EA and Greenwald AS, J Bone Joint Surg [Am] 92 (Suppl 2):68-73, 2010. 37. Mobility Characteristics of Total Ankle Replacements. Raikin SM, Heim CS, Plaxton NA and Greenwald AS, Semin Arthroplasty 21(4):259-266, 2010. 38. The High Performance Modular Hip: Curse or Comfort? Greenwald AS, Blaha JD, Dunbar M, Murphy SB, Jacobs JJ and Heim CS, Proceedings of the American Academy of Orthopaedic Surgeons Annual Meeting 12:512, 2011. 39. Preclinical Computational Models: Predictors of Tibial Insert Damage Patterns in Total Knee Arthroplasty. Morra EA, Heim CS and Greenwald AS, J Bone Joint Surg [Am] 94(18):e137(1-5), 2012. PRESENTATIONS 1. Cup/Liner Incongruity of Two Piece Acetabular Designs: Implications in the Generation of Polyethylene Debris. The Geneva Convention's First Annual Hip & Knee Symposium, Lake Geneva, Wisconsin, August 19-20, 1994. 2. The Effect of Tibial Base Design on Osteolysis. The Second San Destin Symposium on Total Joint Reconstruction, San Destin, Florida, October 27-29, 1994. 3. Tibial Surface Stresses in Total Knee Replacement. The Second San Destin Symposium on Total Joint Reconstruction, San Destin, Florida, October 27-29, 1994. 4. Profile Characteristics of Modular Acetabular Components. The Second San Destin Symposium on Total Joint Reconstruction, San Destin, Florida, October 27-29, 1994. 5. The Effect of Tibial Base Design on Osteolysis. Early Summer Clinical Course, Newport Beach, California, May 4-6, 1995.

Christine S. Heim, B.Sc. - Page 5 6. Profile Characteristics of a Modular Acetabular Component. Early Summer Clinical Course, Newport Beach, California, May 4-6, 1995. 7. Tibial Surface Stresses in Total Knee Replacement. The Greate Bay Orthopaedic Seminar, Ocean City, New Jersey, May 13, 1995. 8. Profile Characteristics of Modular Acetabular Components. The Greate Bay Orthopaedic Seminar, Ocean City, New Jersey, May 13, 1995. 9. The Effect of Tibial Base Design on Osteolysis. The Greate Bay Orthopaedic Seminar, Ocean City, New Jersey, May 13, 1995. 10. The Biomechanics and Clinical Implications of Femoral Head Size and Polyethylene Wear. Early Fall Clinical Course, Toronto, Ontario, Canada, September 28-30, 1995. 11. The Biomechanics of Modularity in Total Hips. Early Fall Clinical Course, Toronto, Ontario, Canada, September 28-30, 1995. 12. Biomechanical Properties of Polyethylene as a Bearing Surface in Total Knee Arthroplasty. Early Fall Clinical Course, Toronto, Ontario, Canada, September 28-30, 1995. 13. Femoral Stem Fatigue Characteristics of Modular Hip Designs. ASTM F-04 Fall Meeting on Modularity in Orthopaedic Implants Student Paper Competition Presentation, Norfolk, Virginia, November 7, 1995. 14. Femoral Stem Fatigue Characteristics of Modular Hip Designs. FDA/OSMA Meeting, Rockville Maryland, December 5, 1995. 15. Factors Influencing the Longevity of UHMWPE Tibial Components. American Academy of Orthopaedic Surgeons 64 th Annual Meeting, San Francisco, California, February 13, 1997. 16. Evolution and Design Variables of Total Knee Arthroplasty. Third International Symposium of Joint Replacement, Caracas, Venezuela, November 6-7, 1998. 17. Mechanical Characteristics of Patello-Femoral Replacements. Third International Symposium of Joint Replacement, Caracas, Venezuela, November 6-7, 1998. 18. Factors Influencing the Longevity of UHMWPE Tibial Inserts. Third International Symposium of Joint Replacement, Caracas, Venezuela, November 6-7, 1998. 19. Performance Characteristics of Modular Acetabular Components. Third International Symposium of Joint Replacement, Caracas, Venezuela, November 6-7, 1998. EXHIBITS 1. Mechanical Characteristics of Patello-Femoral Replacements. Steubben CM, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 59 th Annual Meeting, Washington, D.C., 1992).

Christine S. Heim, B.Sc. - Page 6 2. Mechanical Characteristics of Patello-Femoral Replacements. Steubben CM, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 60 th Annual Meeting, San Francisco, 1993). 3. Tibial Plateau Surface Stress in TKA: A Factor in Clinical Failure. Postak PD, Steubben CM and Greenwald AS (American Academy of Orthopaedic Surgeons, 60 th Annual Meeting, San Francisco, 1993). 4. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Failure - Series II. Postak PD, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 61 st Annual Meeting, New Orleans, 1994). 5. Femoral Stem Fatigue Characteristics of Modular Hip Designs. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 61 st Annual Meeting, New Orleans, 1994). 6. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Failure - Series III: Posterior Stabilized Designs. Postak PD, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 62 nd Annual Meeting, Orlando, 1995). 7. Tibial Tray Design: A Catalyst for Early Osteolysis? Heim CS, McNamara M, Kirschenbaum D and Greenwald AS (American Academy of Orthopaedic Surgeons, 62 nd Annual Meeting, Orlando, 1995). 8. Femoral Stem Fatigue Characteristics of Modular Hip Designs - Series II. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 62 nd Annual Meeting, Orlando, 1995). 9. Stability Characteristics of Posterior Stabilized Total Knee Systems. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 63 rd Annual Meeting, Atlanta, 1996). 10. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series IV: PCL Substituting Designs. Postak PD, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 63 rd Annual Meeting, Atlanta, 1996). 11. Factors Influencing the Longevity of UHMWPE Tibial Components. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 63 rd Annual Meeting, Atlanta, 1996). 12. Stability Characteristics of Posterior Stabilized Total Knee Systems. Heim CS, Postak PD and Greenwald AS (SICOT, Amsterdam, 1996). 13. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series IV: PCL Substituting Designs. Postak PD, Heim CS and Greenwald AS (SICOT, Amsterdam, 1996). 14. Factors Influencing the Longevity of UHMWPE Tibial Components. Heim CS, Postak PD and Greenwald AS (SICOT, Amsterdam, 1996). 15. Stability Characteristics of All-Polyethylene Tibial Designs. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 64 th Annual Meeting, San Francisco, 1997). 16. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series V: All- Polyethylene Designs. Postak PD, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 64 th Annual Meeting, San Francisco, 1997).

Christine S. Heim, B.Sc. - Page 7 17. Factors Influencing the Longevity of UHMWPE Tibial Components - Series II. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 64 th Annual Meeting, San Francisco, 1997). 18. Tibial Plateau Surface Stress in TKA: A Factor Influencing Polymer Damage - Series VI. Postak PD, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 65 th Annual Meeting, New Orleans, 1998). 19. The Influence of Shelf Storage Duration on Gamma Irradiated UHMWPE Tibial Components. Heim CS, Postak PD, Bohl JR and Greenwald AS (American Academy of Orthopaedic Surgeons, 65 th Annual Meeting, New Orleans, 1998). 20. Mobility Characteristics of Mobile Bearing Total Knee Designs. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 66 th Annual Meeting, Anaheim, 1999). 21. Mobility Characteristics of Total Ankle Designs. Raikin SM, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons, 67 th Annual Meeting, Orlando, 2000). 22. Mobility Characteristics of Mobile Bearing Total Knee Designs Series II. Heim CS, Postak PD and Greenwald AS (American Academy of Orthopaedic Surgeons, 67 th Annual Meeting, Orlando, 2000). 23. Mobility Characteristics of Mobile Bearing Total Knee Designs - Classification. Heim CS, Postak PD, Plaxton NA and Greenwald AS (American Academy of Orthopaedic Surgeons, 68 th Annual Meeting, San Francisco, 2001). 24. Mobility Characteristics of Total Ankle Designs. Raikin SM, Heim CS, Plaxton NA and Greenwald AS (American Academy of Orthopaedic Surgeons, 68 th Annual Meeting, San Francisco, 2001). 25. Safety of Musculoskeletal Allograft Tissue. Joyce MJ, Rigney R, Greenwald AS, Kennedy J, Toohey D, Heim CS, Rosier RN and Wong D, Committee on Patient Safety/Tissue Work Group Exhibit (American Academy of Orthopaedic Surgeons 71 st Annual Meeting, San Francisco, 2004). 26. Safety of Musculoskeletal Allograft Tissue. Joyce MJ, Boden SD, Brubaker SA, Heim CS and Greenwald AS, Representatives of the Committee on Biological Implants (American Academy of Orthopaedic Surgeons 74 th Annual Meeting, San Diego, CA, 2007). 27. Musculoskeletal Tissue Safety. Joyce MJ, Greenwald AS, Boden SD, Brubaker SA and Heim CS, Representatives of the Committee on Biological Implants (American Academy of Orthopaedic Surgeons 75 th Annual Meeting, San Francisco, CA, 2008). 28. Clinical Retrieval and Simulator Comparison of an Investigational Cervical Disc Replacement: An A Priori Requirement. Heim CS, Postak PD, Morra EA and Greenwald AS (American Academy of Orthopaedic Surgeons 77 th Annual Meeting, New Orleans, 2010). 29. Musculoskeletal Allograft Tissue Safety: Improving Safety by Knowing that Your Allograft Has Not Been Recalled or Quarantined. Joyce MJ, Brubaker SA, Heim CS and Greenwald AS (American Academy of Orthopaedic Surgeons 77 th Annual Meeting, New Orleans, 2010).

Christine S. Heim, B.Sc. - Page 8 30. The High Performance Modular Hip: Curse or Comfort? Greenwald AS, Blaha JD, Dunbar M, Murphy SB, Jacobs JJ and Heim CS (American Academy of Orthopaedic Surgeons 78 th Annual Meeting, San Diego, 2011) AAOS Scientific Exhibit Award of Excellence.