Board of Directors
![](https://siorla.org/wp-content/uploads/2023/11/Jeff-Puffer-png-e1699997720190.jpg)
Jeff Puffer, SIOR
President
Delphi Business Properties, Inc.
7100 Hayvenhurst Ave.
Suite 211
Van Nuys, CA 91406
Phone: 818-933-7111
Fax: 818-479-9393
e-mail: jeff@go2delphi.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Jeff-Coburn-SIOR-CCIM.png)
Jeff Coburn, SIOR, CCIM
Vice President
Lee & Associates
5000 E. Spring St.
Suite 600
Long Beach, CA 90815
Phone: 562.354.2511
e-mail: jcoburn@leelalb.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Andrew-Dilfer.png)
Andrew Dilfer
2nd Vice President
Kidder Matthews
2101 Rosecrans Ave
#1250
El Segundo, CA 90245
Phone: 310.906.3280
e-mail: andrew.dilfer@kidder.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Jack-Whalen-SIOR-CPA.png)
Jack Whalen, SIOR, CPA
Secretary/Treasurer
Kidder Matthews
2101 Rosecrans Ave
#1250
El Segundo, CA 90245
Phone: 213.793.0535
e-mail: jack.whalen@kidder.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Robert-Antrobius.png)
Robert Antrobius
Sergeant at Arms
Prologis
17777 Center Court Dr.
Suite 100
Cerritos, CA 90703
Phone: 562.345.9200
Fax: 562.724.9934
e-mail: rantrobius@prologis.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Barry-Hill-SIOR.png)
Barry Hill, SIOR
Membership Recruitment
NEWMARK
2301 Rosecrans Ave
#4100
El Segundo, CA 90245
Phone: 310-491-2026
e-mail: Barry.hill@nmrk.com
![](https://siorla.org/wp-content/uploads/2022/05/Adam-Deierling-SIOR.png)
Adam Deierling, SIOR
Board Member
West Harbor Capital
2281 W. 205th Street
Suite 106
Torrance, CA 90501
Phone: (310) 483-6215
e-mail: adeierling@westharborcap.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Chris-Sheehan-SIOR.png)
Chris Sheehan, SIOR
Board Member
Colliers International
2121 Rosecrans Ave.
Suite 3301
El Segundo, CA 90245
Phone: 310.321.1831
e-mail: chris.sheehan@colliers.com
![](https://siorla.org/wp-content/uploads/2022/07/peter-drake-1.png)
Peter Drake
Board Member
Bank of America
2301 Rosecrans Ave. Suite 2100
El Segundo, CA 90245
Phone: (213) 304-1848
Fax: 800.678.0442
e-mail: Peter.a.drake@bofa.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Jeffrey-Kernochan-SIOR.png)
Jeffrey Kernochan, SIOR
Board Member
Fischer & Company
5230 Pacific Concourse Dr.
Suite 140
Los Angeles, CA 90045
Phone: 310.643.5100
Fax: 310.643.5126
e-mail: jeffk@fischercompany.com
![](https://siorla.org/wp-content/uploads/2022/07/DuRoss-Patrick-1.jpg)
Patrick DuRoss, SIOR
Board Member
Newmark Knight Frank
21550 Oxnard St
Suite 300
Woodland Hills, CA 91367
Phone: 818.219.8903
e-mail: patrick.duross@ngkf.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Matt-Stringfellow-SIOR.png)
Matt Stringfellow, SIOR
Board Member
The Klabin Company
19750 S. Vermont Ave.
Suite 100
Torrance, CA 90502
Phone: 310.329.9000
e-mail: matts@klabin.com
![](https://siorla.org/wp-content/uploads/2022/07/Vargas-Dana-1.jpg)
Dana Vargas
Board Member
Jones Lang LaSalle Brokerage, Inc.
515 S. Flower St., Suite 1300
Suite 100
Los Angeles, CA 90071
Phone: 323.727.1144
e-mail: Dana.Vargas@am.jll.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-John-DeGrinis-SIOR.png)
John DeGrinis, SIOR
Board Member
Newmark Knight Frank
21550 Oxnard St
Suite 300
Woodland Hills, CA 91367
Phone: 818.618.6955
e-mail: John.DeGrinis@ngkf.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-reno-jon__002_.png)
Jon R. Reno, SIOR, CCIM
Past President/Membership Retention
Jones Lang LaSalle Brokerage, Inc.
515 S. Flower St., Suite 1300
Suite 100
Los Angeles, CA 90071
Phone: 323.727.1144
e-mail: jon.reno@am.jll.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-David-Prior-SIOR.png)
David Prior, SIOR
Advisory Council
The Klabin Company
19750 S. Vermont Ave.
Suite 100
Torrance, CA 90502
Phone: 310.329.9000
Fax: 310.329.9088
e-mail: dprior@klabin.com
![](https://siorla.org/wp-content/uploads/2022/05/Aleks-Trifunovic-SIOR.png)
Aleks Trifunovic, SIOR
Past President/Membership Retention
Lee & Associates
1508 17th St.
Santa Monica, CA 90404
Phone: 310.899.2700
Fax: 310.899.2701
e-mail: atrifunovic@leewestla.com
![](https://siorla.org/wp-content/uploads/2022/06/sior-profile-photo-Lauren-Osborne.png)
Lauren Osborne
Chapter Administrator
LHO & CO.
2954 E. 14th Street
Long Beach, CA 90804
Phone: 562-232-4375
e-mail: lauren@lhoandco.com
![](https://siorla.org/wp-content/uploads/2022/05/Frank-Schulz-lll-SIOR.jpg)
Frank Schulz lll, SIOR
Past President/Membership Retention
The Klabin Company
19750 S. Vermont Ave.
Suite 100
Torrance, CA 90502
Phone:310.329.9000
Fax: 310.329.9088
e-mail: franks@klabin.com